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Finding the Fourth Proportional to 194,168,846.60, 291,253,269.90 and 50,561,678.60

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Solution

The fourth proportional to 194,168,846.60, 291,253,269.90 and 50,561,678.60 is: 75,842,517.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,168,846.60 : 291,253,269.90 = 50,561,678.60 : x
  2. Step 2: Convert to fraction form
    194,168,846.60/291,253,269.90 = 50,561,678.60/x
  3. Step 3: Cross multiply
    194,168,846.60x = 291,253,269.90 × 50,561,678.60
  4. Step 4: Simplify right side
    194,168,846.60x = 14,726,254,223,882,854
  5. Step 5: Solve for x
    x = 14,726,254,223,882,854/194,168,846.60
  6. Step 6: Final answer
    x = 75,842,517.90

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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.