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Finding the Fourth Proportional to 57,591,301.60, 86,386,952.40 and 55,996,978.60

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Solution

The fourth proportional to 57,591,301.60, 86,386,952.40 and 55,996,978.60 is: 83,995,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,591,301.60 : 86,386,952.40 = 55,996,978.60 : x
  2. Step 2: Convert to fraction form
    57,591,301.60/86,386,952.40 = 55,996,978.60/x
  3. Step 3: Cross multiply
    57,591,301.60x = 86,386,952.40 × 55,996,978.60
  4. Step 4: Simplify right side
    57,591,301.60x = 4,837,408,324,862,019
  5. Step 5: Solve for x
    x = 4,837,408,324,862,019/57,591,301.60
  6. Step 6: Final answer
    x = 83,995,467.90

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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.