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Finding the Fourth Proportional to 79,663,668.30, 119,306,545.65 and 79,663,668.30

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Solution

The fourth proportional to 79,663,668.30, 119,306,545.65 and 79,663,668.30 is: 119,306,545.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,663,668.30 : 119,306,545.65 = 79,663,668.30 : x
  2. Step 2: Convert to fraction form
    79,663,668.30/119,306,545.65 = 79,663,668.30/x
  3. Step 3: Cross multiply
    79,663,668.30x = 119,306,545.65 × 79,663,668.30
  4. Step 4: Simplify right side
    79,663,668.30x = 9,504,397,078,680,408
  5. Step 5: Solve for x
    x = 9,504,397,078,680,408/79,663,668.30
  6. Step 6: Final answer
    x = 119,306,545.65

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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.