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Finding the Fourth Proportional to 148,685.60, 223,026.50 and 36,366.80

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Solution

The fourth proportional to 148,685.60, 223,026.50 and 36,366.80 is: 54,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,685.60 : 223,026.50 = 36,366.80 : x
  2. Step 2: Convert to fraction form
    148,685.60/223,026.50 = 36,366.80/x
  3. Step 3: Cross multiply
    148,685.60x = 223,026.50 × 36,366.80
  4. Step 4: Simplify right side
    148,685.60x = 8,110,760,120.20
  5. Step 5: Solve for x
    x = 8,110,760,120.20/148,685.60
  6. Step 6: Final answer
    x = 54,549.74

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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.