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Finding the Fourth Proportional to 150,487.40, 225,788.70 and 148,125.80

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Solution

The fourth proportional to 150,487.40, 225,788.70 and 148,125.80 is: 222,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,487.40 : 225,788.70 = 148,125.80 : x
  2. Step 2: Convert to fraction form
    150,487.40/225,788.70 = 148,125.80/x
  3. Step 3: Cross multiply
    150,487.40x = 225,788.70 × 148,125.80
  4. Step 4: Simplify right side
    150,487.40x = 33,445,131,818.46
  5. Step 5: Solve for x
    x = 33,445,131,818.46/150,487.40
  6. Step 6: Final answer
    x = 222,245.40

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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.