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Finding the Fourth Proportional to 357,267.10, 535,949.80 and 132,608.48

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Solution

The fourth proportional to 357,267.10, 535,949.80 and 132,608.48 is: 198,930.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,267.10 : 535,949.80 = 132,608.48 : x
  2. Step 2: Convert to fraction form
    357,267.10/535,949.80 = 132,608.48/x
  3. Step 3: Cross multiply
    357,267.10x = 535,949.80 × 132,608.48
  4. Step 4: Simplify right side
    357,267.10x = 71,071,488,334.30
  5. Step 5: Solve for x
    x = 71,071,488,334.30/357,267.10
  6. Step 6: Final answer
    x = 198,930.96

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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.