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Finding the Fourth Proportional to 67,980,212.70, 101,970,319.05 and 58,733,139.30

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Solution

The fourth proportional to 67,980,212.70, 101,970,319.05 and 58,733,139.30 is: 88,099,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,980,212.70 : 101,970,319.05 = 58,733,139.30 : x
  2. Step 2: Convert to fraction form
    67,980,212.70/101,970,319.05 = 58,733,139.30/x
  3. Step 3: Cross multiply
    67,980,212.70x = 101,970,319.05 × 58,733,139.30
  4. Step 4: Simplify right side
    67,980,212.70x = 5,989,036,953,229,093
  5. Step 5: Solve for x
    x = 5,989,036,953,229,093/67,980,212.70
  6. Step 6: Final answer
    x = 88,099,708.95

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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.