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Finding the Fourth Proportional to 111,095.84, 166,643.76 and 27,996.32

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Solution

The fourth proportional to 111,095.84, 166,643.76 and 27,996.32 is: 41,994.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,095.84 : 166,643.76 = 27,996.32 : x
  2. Step 2: Convert to fraction form
    111,095.84/166,643.76 = 27,996.32/x
  3. Step 3: Cross multiply
    111,095.84x = 166,643.76 × 27,996.32
  4. Step 4: Simplify right side
    111,095.84x = 4,665,412,030.96
  5. Step 5: Solve for x
    x = 4,665,412,030.96/111,095.84
  6. Step 6: Final answer
    x = 41,994.48

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.