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Finding the Fourth Proportional to 63,497.76, 95,173.12 and 42,412.64

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Solution

The fourth proportional to 63,497.76, 95,173.12 and 42,412.64 is: 63,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,497.76 : 95,173.12 = 42,412.64 : x
  2. Step 2: Convert to fraction form
    63,497.76/95,173.12 = 42,412.64/x
  3. Step 3: Cross multiply
    63,497.76x = 95,173.12 × 42,412.64
  4. Step 4: Simplify right side
    63,497.76x = 4,036,543,276.24
  5. Step 5: Solve for x
    x = 4,036,543,276.24/63,497.76
  6. Step 6: Final answer
    x = 63,569.85

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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.