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Finding the Fourth Proportional to 130,470.62, 195,711.08 and 62,065.71

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Solution

The fourth proportional to 130,470.62, 195,711.08 and 62,065.71 is: 93,101.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,470.62 : 195,711.08 = 62,065.71 : x
  2. Step 2: Convert to fraction form
    130,470.62/195,711.08 = 62,065.71/x
  3. Step 3: Cross multiply
    130,470.62x = 195,711.08 × 62,065.71
  4. Step 4: Simplify right side
    130,470.62x = 12,146,946,824.74
  5. Step 5: Solve for x
    x = 12,146,946,824.74/130,470.62
  6. Step 6: Final answer
    x = 93,101.02

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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.