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Finding the Fourth Proportional to 83,992,707.80, 125,989,061.70 and 23,408,433.80

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Solution

The fourth proportional to 83,992,707.80, 125,989,061.70 and 23,408,433.80 is: 35,112,650.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,992,707.80 : 125,989,061.70 = 23,408,433.80 : x
  2. Step 2: Convert to fraction form
    83,992,707.80/125,989,061.70 = 23,408,433.80/x
  3. Step 3: Cross multiply
    83,992,707.80x = 125,989,061.70 × 23,408,433.80
  4. Step 4: Simplify right side
    83,992,707.80x = 2,949,206,610,328,565.50
  5. Step 5: Solve for x
    x = 2,949,206,610,328,565.50/83,992,707.80
  6. Step 6: Final answer
    x = 35,112,650.70

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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.