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Finding the Fourth Proportional to 63,259.92, 94,692.24 and 42,217.20

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Solution

The fourth proportional to 63,259.92, 94,692.24 and 42,217.20 is: 63,193.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,259.92 : 94,692.24 = 42,217.20 : x
  2. Step 2: Convert to fraction form
    63,259.92/94,692.24 = 42,217.20/x
  3. Step 3: Cross multiply
    63,259.92x = 94,692.24 × 42,217.20
  4. Step 4: Simplify right side
    63,259.92x = 3,997,641,234.53
  5. Step 5: Solve for x
    x = 3,997,641,234.53/63,259.92
  6. Step 6: Final answer
    x = 63,193.90

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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.