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Finding the Fourth Proportional to 83,606.67, 125,336.18 and 63,972.89

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Solution

The fourth proportional to 83,606.67, 125,336.18 and 63,972.89 is: 95,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,606.67 : 125,336.18 = 63,972.89 : x
  2. Step 2: Convert to fraction form
    83,606.67/125,336.18 = 63,972.89/x
  3. Step 3: Cross multiply
    83,606.67x = 125,336.18 × 63,972.89
  4. Step 4: Simplify right side
    83,606.67x = 8,018,116,709.61
  5. Step 5: Solve for x
    x = 8,018,116,709.61/83,606.67
  6. Step 6: Final answer
    x = 95,902.84

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1.5x scale

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.