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Finding the Fourth Proportional to 148,672.60, 223,008.90 and 104,349.40

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Solution

The fourth proportional to 148,672.60, 223,008.90 and 104,349.40 is: 156,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,672.60 : 223,008.90 = 104,349.40 : x
  2. Step 2: Convert to fraction form
    148,672.60/223,008.90 = 104,349.40/x
  3. Step 3: Cross multiply
    148,672.60x = 223,008.90 × 104,349.40
  4. Step 4: Simplify right side
    148,672.60x = 23,270,844,909.66
  5. Step 5: Solve for x
    x = 23,270,844,909.66/148,672.60
  6. Step 6: Final answer
    x = 156,524.10

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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.