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Finding the Fourth Proportional to 194,150,978.70, 291,226,468.05 and 92,114,306.70

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Solution

The fourth proportional to 194,150,978.70, 291,226,468.05 and 92,114,306.70 is: 138,171,460.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,150,978.70 : 291,226,468.05 = 92,114,306.70 : x
  2. Step 2: Convert to fraction form
    194,150,978.70/291,226,468.05 = 92,114,306.70/x
  3. Step 3: Cross multiply
    194,150,978.70x = 291,226,468.05 × 92,114,306.70
  4. Step 4: Simplify right side
    194,150,978.70x = 26,826,124,197,115,452
  5. Step 5: Solve for x
    x = 26,826,124,197,115,452/194,150,978.70
  6. Step 6: Final answer
    x = 138,171,460.05

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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.