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Finding the Fourth Proportional to 148,963.60, 223,402.20 and 60,187.60

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Solution

The fourth proportional to 148,963.60, 223,402.20 and 60,187.60 is: 90,263.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,963.60 : 223,402.20 = 60,187.60 : x
  2. Step 2: Convert to fraction form
    148,963.60/223,402.20 = 60,187.60/x
  3. Step 3: Cross multiply
    148,963.60x = 223,402.20 × 60,187.60
  4. Step 4: Simplify right side
    148,963.60x = 13,446,042,252.72
  5. Step 5: Solve for x
    x = 13,446,042,252.72/148,963.60
  6. Step 6: Final answer
    x = 90,263.95

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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.