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Finding the Fourth Proportional to 83,020,237.30, 124,306,407.15 and 83,020,237.30

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Solution

The fourth proportional to 83,020,237.30, 124,306,407.15 and 83,020,237.30 is: 124,306,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,020,237.30 : 124,306,407.15 = 83,020,237.30 : x
  2. Step 2: Convert to fraction form
    83,020,237.30/124,306,407.15 = 83,020,237.30/x
  3. Step 3: Cross multiply
    83,020,237.30x = 124,306,407.15 × 83,020,237.30
  4. Step 4: Simplify right side
    83,020,237.30x = 10,319,947,419,503,416
  5. Step 5: Solve for x
    x = 10,319,947,419,503,416/83,020,237.30
  6. Step 6: Final answer
    x = 124,306,407.15

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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.