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Finding the Fourth Proportional to 110,652,470.40, 165,978,705.60 and 59,634,134.40

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Solution

The fourth proportional to 110,652,470.40, 165,978,705.60 and 59,634,134.40 is: 89,451,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,652,470.40 : 165,978,705.60 = 59,634,134.40 : x
  2. Step 2: Convert to fraction form
    110,652,470.40/165,978,705.60 = 59,634,134.40/x
  3. Step 3: Cross multiply
    110,652,470.40x = 165,978,705.60 × 59,634,134.40
  4. Step 4: Simplify right side
    110,652,470.40x = 9,897,996,437,288,432
  5. Step 5: Solve for x
    x = 9,897,996,437,288,432/110,652,470.40
  6. Step 6: Final answer
    x = 89,451,201.60

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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.