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Finding the Fourth Proportional to 225,538.60, 337,433.10 and 146,806.60

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Solution

The fourth proportional to 225,538.60, 337,433.10 and 146,806.60 is: 219,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,538.60 : 337,433.10 = 146,806.60 : x
  2. Step 2: Convert to fraction form
    225,538.60/337,433.10 = 146,806.60/x
  3. Step 3: Cross multiply
    225,538.60x = 337,433.10 × 146,806.60
  4. Step 4: Simplify right side
    225,538.60x = 49,537,406,138.46
  5. Step 5: Solve for x
    x = 49,537,406,138.46/225,538.60
  6. Step 6: Final answer
    x = 219,640.48

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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.