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Finding the Fourth Proportional to 41,992,151.20, 62,978,774.10 and 15,065,807.20

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Solution

The fourth proportional to 41,992,151.20, 62,978,774.10 and 15,065,807.20 is: 22,595,319.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,992,151.20 : 62,978,774.10 = 15,065,807.20 : x
  2. Step 2: Convert to fraction form
    41,992,151.20/62,978,774.10 = 15,065,807.20/x
  3. Step 3: Cross multiply
    41,992,151.20x = 62,978,774.10 × 15,065,807.20
  4. Step 4: Simplify right side
    41,992,151.20x = 948,826,068,282,953.50
  5. Step 5: Solve for x
    x = 948,826,068,282,953.50/41,992,151.20
  6. Step 6: Final answer
    x = 22,595,319.39

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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.