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Finding the Fourth Proportional to 129,952.72, 194,772.10 and 63,292.96

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Solution

The fourth proportional to 129,952.72, 194,772.10 and 63,292.96 is: 94,862.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,952.72 : 194,772.10 = 63,292.96 : x
  2. Step 2: Convert to fraction form
    129,952.72/194,772.10 = 63,292.96/x
  3. Step 3: Cross multiply
    129,952.72x = 194,772.10 × 63,292.96
  4. Step 4: Simplify right side
    129,952.72x = 12,327,702,734.42
  5. Step 5: Solve for x
    x = 12,327,702,734.42/129,952.72
  6. Step 6: Final answer
    x = 94,862.98

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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.