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Finding the Fourth Proportional to 124,973,360.80, 187,488,034.80 and 48,289,559.20

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Solution

The fourth proportional to 124,973,360.80, 187,488,034.80 and 48,289,559.20 is: 72,445,155.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,973,360.80 : 187,488,034.80 = 48,289,559.20 : x
  2. Step 2: Convert to fraction form
    124,973,360.80/187,488,034.80 = 48,289,559.20/x
  3. Step 3: Cross multiply
    124,973,360.80x = 187,488,034.80 × 48,289,559.20
  4. Step 4: Simplify right side
    124,973,360.80x = 9,053,714,555,766,262
  5. Step 5: Solve for x
    x = 9,053,714,555,766,262/124,973,360.80
  6. Step 6: Final answer
    x = 72,445,155.49

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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.