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Finding the Fourth Proportional to 53,591,569.20, 80,387,353.80 and 28,040,410.80

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Solution

The fourth proportional to 53,591,569.20, 80,387,353.80 and 28,040,410.80 is: 42,060,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,591,569.20 : 80,387,353.80 = 28,040,410.80 : x
  2. Step 2: Convert to fraction form
    53,591,569.20/80,387,353.80 = 28,040,410.80/x
  3. Step 3: Cross multiply
    53,591,569.20x = 80,387,353.80 × 28,040,410.80
  4. Step 4: Simplify right side
    53,591,569.20x = 2,254,094,423,676,941
  5. Step 5: Solve for x
    x = 2,254,094,423,676,941/53,591,569.20
  6. Step 6: Final answer
    x = 42,060,616.20

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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.