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Finding the Fourth Proportional to 169,882.72, 254,938.89 and 64,698.95

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Solution

The fourth proportional to 169,882.72, 254,938.89 and 64,698.95 is: 97,092.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,882.72 : 254,938.89 = 64,698.95 : x
  2. Step 2: Convert to fraction form
    169,882.72/254,938.89 = 64,698.95/x
  3. Step 3: Cross multiply
    169,882.72x = 254,938.89 × 64,698.95
  4. Step 4: Simplify right side
    169,882.72x = 16,494,279,377.13
  5. Step 5: Solve for x
    x = 16,494,279,377.13/169,882.72
  6. Step 6: Final answer
    x = 97,092.16

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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.