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Finding the Fourth Proportional to 198,251.65, 273,587.56 and 107,607.65

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Solution

The fourth proportional to 198,251.65, 273,587.56 and 107,607.65 is: 148,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,251.65 : 273,587.56 = 107,607.65 : x
  2. Step 2: Convert to fraction form
    198,251.65/273,587.56 = 107,607.65/x
  3. Step 3: Cross multiply
    198,251.65x = 273,587.56 × 107,607.65
  4. Step 4: Simplify right side
    198,251.65x = 29,440,112,763.88
  5. Step 5: Solve for x
    x = 29,440,112,763.88/198,251.65
  6. Step 6: Final answer
    x = 148,498.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.