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Finding the Fourth Proportional to 83,175,925.80, 124,539,939.90 and 83,175,925.80

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Solution

The fourth proportional to 83,175,925.80, 124,539,939.90 and 83,175,925.80 is: 124,539,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,175,925.80 : 124,539,939.90 = 83,175,925.80 : x
  2. Step 2: Convert to fraction form
    83,175,925.80/124,539,939.90 = 83,175,925.80/x
  3. Step 3: Cross multiply
    83,175,925.80x = 124,539,939.90 × 83,175,925.80
  4. Step 4: Simplify right side
    83,175,925.80x = 10,358,724,800,258,860
  5. Step 5: Solve for x
    x = 10,358,724,800,258,860/83,175,925.80
  6. Step 6: Final answer
    x = 124,539,939.90

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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.