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Finding the Fourth Proportional to 148,801.60, 223,029.60 and 60,011.20

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Solution

The fourth proportional to 148,801.60, 223,029.60 and 60,011.20 is: 89,947.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,801.60 : 223,029.60 = 60,011.20 : x
  2. Step 2: Convert to fraction form
    148,801.60/223,029.60 = 60,011.20/x
  3. Step 3: Cross multiply
    148,801.60x = 223,029.60 × 60,011.20
  4. Step 4: Simplify right side
    148,801.60x = 13,384,273,931.52
  5. Step 5: Solve for x
    x = 13,384,273,931.52/148,801.60
  6. Step 6: Final answer
    x = 89,947.11

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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.