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Finding the Fourth Proportional to 67,793,077.80, 101,689,616.70 and 40,583,298.60

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Solution

The fourth proportional to 67,793,077.80, 101,689,616.70 and 40,583,298.60 is: 60,874,947.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,793,077.80 : 101,689,616.70 = 40,583,298.60 : x
  2. Step 2: Convert to fraction form
    67,793,077.80/101,689,616.70 = 40,583,298.60/x
  3. Step 3: Cross multiply
    67,793,077.80x = 101,689,616.70 × 40,583,298.60
  4. Step 4: Simplify right side
    67,793,077.80x = 4,126,900,079,055,647
  5. Step 5: Solve for x
    x = 4,126,900,079,055,647/67,793,077.80
  6. Step 6: Final answer
    x = 60,874,947.90

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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.