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Finding the Fourth Proportional to 73,353,742.20, 109,791,464.85 and 73,353,742.20

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Solution

The fourth proportional to 73,353,742.20, 109,791,464.85 and 73,353,742.20 is: 109,791,464.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,353,742.20 : 109,791,464.85 = 73,353,742.20 : x
  2. Step 2: Convert to fraction form
    73,353,742.20/109,791,464.85 = 73,353,742.20/x
  3. Step 3: Cross multiply
    73,353,742.20x = 109,791,464.85 × 73,353,742.20
  4. Step 4: Simplify right side
    73,353,742.20x = 8,053,614,808,367,262
  5. Step 5: Solve for x
    x = 8,053,614,808,367,262/73,353,742.20
  6. Step 6: Final answer
    x = 109,791,464.85

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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.