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Finding the Fourth Proportional to 50,670,876.39, 75,978,972.40 and 22,989,685.79

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Solution

The fourth proportional to 50,670,876.39, 75,978,972.40 and 22,989,685.79 is: 34,472,123.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,670,876.39 : 75,978,972.40 = 22,989,685.79 : x
  2. Step 2: Convert to fraction form
    50,670,876.39/75,978,972.40 = 22,989,685.79/x
  3. Step 3: Cross multiply
    50,670,876.39x = 75,978,972.40 × 22,989,685.79
  4. Step 4: Simplify right side
    50,670,876.39x = 1,746,732,702,123,082.25
  5. Step 5: Solve for x
    x = 1,746,732,702,123,082.25/50,670,876.39
  6. Step 6: Final answer
    x = 34,472,123.37

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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.