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Finding the Fourth Proportional to 148,959.60, 223,439.40 and 122,715.60

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Solution

The fourth proportional to 148,959.60, 223,439.40 and 122,715.60 is: 184,073.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,959.60 : 223,439.40 = 122,715.60 : x
  2. Step 2: Convert to fraction form
    148,959.60/223,439.40 = 122,715.60/x
  3. Step 3: Cross multiply
    148,959.60x = 223,439.40 × 122,715.60
  4. Step 4: Simplify right side
    148,959.60x = 27,419,500,034.64
  5. Step 5: Solve for x
    x = 27,419,500,034.64/148,959.60
  6. Step 6: Final answer
    x = 184,073.40

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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.