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Finding the Fourth Proportional to 63,503.53, 95,068.43 and 42,391.20

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Solution

The fourth proportional to 63,503.53, 95,068.43 and 42,391.20 is: 63,462.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,503.53 : 95,068.43 = 42,391.20 : x
  2. Step 2: Convert to fraction form
    63,503.53/95,068.43 = 42,391.20/x
  3. Step 3: Cross multiply
    63,503.53x = 95,068.43 × 42,391.20
  4. Step 4: Simplify right side
    63,503.53x = 4,030,064,829.82
  5. Step 5: Solve for x
    x = 4,030,064,829.82/63,503.53
  6. Step 6: Final answer
    x = 63,462.06

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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.