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Finding the Fourth Proportional to 235,265.32, 352,899.16 and 57,772.38

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Solution

The fourth proportional to 235,265.32, 352,899.16 and 57,772.38 is: 86,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,265.32 : 352,899.16 = 57,772.38 : x
  2. Step 2: Convert to fraction form
    235,265.32/352,899.16 = 57,772.38/x
  3. Step 3: Cross multiply
    235,265.32x = 352,899.16 × 57,772.38
  4. Step 4: Simplify right side
    235,265.32x = 20,387,824,373.20
  5. Step 5: Solve for x
    x = 20,387,824,373.20/235,265.32
  6. Step 6: Final answer
    x = 86,658.86

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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.