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Finding the Fourth Proportional to 110,958.75, 166,436.76 and 105,579.64

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Solution

The fourth proportional to 110,958.75, 166,436.76 and 105,579.64 is: 158,368.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,958.75 : 166,436.76 = 105,579.64 : x
  2. Step 2: Convert to fraction form
    110,958.75/166,436.76 = 105,579.64/x
  3. Step 3: Cross multiply
    110,958.75x = 166,436.76 × 105,579.64
  4. Step 4: Simplify right side
    110,958.75x = 17,572,333,203.57
  5. Step 5: Solve for x
    x = 17,572,333,203.57/110,958.75
  6. Step 6: Final answer
    x = 158,368.16

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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.