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Finding the Fourth Proportional to 64,281,675.62, 96,448,060.62 and 20,569,167.42

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Solution

The fourth proportional to 64,281,675.62, 96,448,060.62 and 20,569,167.42 is: 30,861,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,281,675.62 : 96,448,060.62 = 20,569,167.42 : x
  2. Step 2: Convert to fraction form
    64,281,675.62/96,448,060.62 = 20,569,167.42/x
  3. Step 3: Cross multiply
    64,281,675.62x = 96,448,060.62 × 20,569,167.42
  4. Step 4: Simplify right side
    64,281,675.62x = 1,983,856,306,227,089.25
  5. Step 5: Solve for x
    x = 1,983,856,306,227,089.25/64,281,675.62
  6. Step 6: Final answer
    x = 30,861,925.85

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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.