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Finding the Fourth Proportional to 83,616,053.20, 125,424,079.80 and 83,616,053.20

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Solution

The fourth proportional to 83,616,053.20, 125,424,079.80 and 83,616,053.20 is: 125,424,079.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,616,053.20 : 125,424,079.80 = 83,616,053.20 : x
  2. Step 2: Convert to fraction form
    83,616,053.20/125,424,079.80 = 83,616,053.20/x
  3. Step 3: Cross multiply
    83,616,053.20x = 125,424,079.80 × 83,616,053.20
  4. Step 4: Simplify right side
    83,616,053.20x = 10,487,466,529,117,846
  5. Step 5: Solve for x
    x = 10,487,466,529,117,846/83,616,053.20
  6. Step 6: Final answer
    x = 125,424,079.80

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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.