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Finding the Fourth Proportional to 73,814,652.60, 110,721,978.90 and 19,227,132.60

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Solution

The fourth proportional to 73,814,652.60, 110,721,978.90 and 19,227,132.60 is: 28,840,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814,652.60 : 110,721,978.90 = 19,227,132.60 : x
  2. Step 2: Convert to fraction form
    73,814,652.60/110,721,978.90 = 19,227,132.60/x
  3. Step 3: Cross multiply
    73,814,652.60x = 110,721,978.90 × 19,227,132.60
  4. Step 4: Simplify right side
    73,814,652.60x = 2,128,866,170,044,702.50
  5. Step 5: Solve for x
    x = 2,128,866,170,044,702.50/73,814,652.60
  6. Step 6: Final answer
    x = 28,840,698.90

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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.