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Finding the Fourth Proportional to 169,716.61, 254,680.04 and 98,672.68

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Solution

The fourth proportional to 169,716.61, 254,680.04 and 98,672.68 is: 148,070.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,716.61 : 254,680.04 = 98,672.68 : x
  2. Step 2: Convert to fraction form
    169,716.61/254,680.04 = 98,672.68/x
  3. Step 3: Cross multiply
    169,716.61x = 254,680.04 × 98,672.68
  4. Step 4: Simplify right side
    169,716.61x = 25,129,962,654.34
  5. Step 5: Solve for x
    x = 25,129,962,654.34/169,716.61
  6. Step 6: Final answer
    x = 148,070.14

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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.