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Finding the Fourth Proportional to 234,651.52, 351,973.68 and 57,158.80

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Solution

The fourth proportional to 234,651.52, 351,973.68 and 57,158.80 is: 85,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,651.52 : 351,973.68 = 57,158.80 : x
  2. Step 2: Convert to fraction form
    234,651.52/351,973.68 = 57,158.80/x
  3. Step 3: Cross multiply
    234,651.52x = 351,973.68 × 57,158.80
  4. Step 4: Simplify right side
    234,651.52x = 20,118,393,180.38
  5. Step 5: Solve for x
    x = 20,118,393,180.38/234,651.52
  6. Step 6: Final answer
    x = 85,737.32

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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.