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Finding the Fourth Proportional to 132,362.60, 198,524.70 and 38,858.60

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Solution

The fourth proportional to 132,362.60, 198,524.70 and 38,858.60 is: 58,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,362.60 : 198,524.70 = 38,858.60 : x
  2. Step 2: Convert to fraction form
    132,362.60/198,524.70 = 38,858.60/x
  3. Step 3: Cross multiply
    132,362.60x = 198,524.70 × 38,858.60
  4. Step 4: Simplify right side
    132,362.60x = 7,714,391,907.42
  5. Step 5: Solve for x
    x = 7,714,391,907.42/132,362.60
  6. Step 6: Final answer
    x = 58,282.26

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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.