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Finding the Fourth Proportional to 111,550.09, 167,325.15 and 28,444.09

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Solution

The fourth proportional to 111,550.09, 167,325.15 and 28,444.09 is: 42,666.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,550.09 : 167,325.15 = 28,444.09 : x
  2. Step 2: Convert to fraction form
    111,550.09/167,325.15 = 28,444.09/x
  3. Step 3: Cross multiply
    111,550.09x = 167,325.15 × 28,444.09
  4. Step 4: Simplify right side
    111,550.09x = 4,759,411,625.86
  5. Step 5: Solve for x
    x = 4,759,411,625.86/111,550.09
  6. Step 6: Final answer
    x = 42,666.14

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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.