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Finding the Fourth Proportional to 130,299.84, 195,489.45 and 63,730.29

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Solution

The fourth proportional to 130,299.84, 195,489.45 and 63,730.29 is: 95,614.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,299.84 : 195,489.45 = 63,730.29 : x
  2. Step 2: Convert to fraction form
    130,299.84/195,489.45 = 63,730.29/x
  3. Step 3: Cross multiply
    130,299.84x = 195,489.45 × 63,730.29
  4. Step 4: Simplify right side
    130,299.84x = 12,458,600,073.53
  5. Step 5: Solve for x
    x = 12,458,600,073.53/130,299.84
  6. Step 6: Final answer
    x = 95,614.85

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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.