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Finding the Fourth Proportional to 67,886,721.80, 101,830,082.70 and 24,757,332.20

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Solution

The fourth proportional to 67,886,721.80, 101,830,082.70 and 24,757,332.20 is: 37,135,998.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,886,721.80 : 101,830,082.70 = 24,757,332.20 : x
  2. Step 2: Convert to fraction form
    67,886,721.80/101,830,082.70 = 24,757,332.20/x
  3. Step 3: Cross multiply
    67,886,721.80x = 101,830,082.70 × 24,757,332.20
  4. Step 4: Simplify right side
    67,886,721.80x = 2,521,041,185,357,373
  5. Step 5: Solve for x
    x = 2,521,041,185,357,373/67,886,721.80
  6. Step 6: Final answer
    x = 37,135,998.30

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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.