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Finding the Fourth Proportional to 123,915.74, 185,873.27 and 35,169.33

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Solution

The fourth proportional to 123,915.74, 185,873.27 and 35,169.33 is: 52,753.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,915.74 : 185,873.27 = 35,169.33 : x
  2. Step 2: Convert to fraction form
    123,915.74/185,873.27 = 35,169.33/x
  3. Step 3: Cross multiply
    123,915.74x = 185,873.27 × 35,169.33
  4. Step 4: Simplify right side
    123,915.74x = 6,537,037,265.60
  5. Step 5: Solve for x
    x = 6,537,037,265.60/123,915.74
  6. Step 6: Final answer
    x = 52,753.89

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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.