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Finding the Fourth Proportional to 122,664,793.20, 183,840,892.20 and 65,184,601.20

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Solution

The fourth proportional to 122,664,793.20, 183,840,892.20 and 65,184,601.20 is: 97,693,844.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,664,793.20 : 183,840,892.20 = 65,184,601.20 : x
  2. Step 2: Convert to fraction form
    122,664,793.20/183,840,892.20 = 65,184,601.20/x
  3. Step 3: Cross multiply
    122,664,793.20x = 183,840,892.20 × 65,184,601.20
  4. Step 4: Simplify right side
    122,664,793.20x = 11,983,595,242,309,190
  5. Step 5: Solve for x
    x = 11,983,595,242,309,190/122,664,793.20
  6. Step 6: Final answer
    x = 97,693,844.58

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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.