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Finding the Fourth Proportional to 169,572.78, 234,011.88 and 97,951.14

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Solution

The fourth proportional to 169,572.78, 234,011.88 and 97,951.14 is: 135,173.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,572.78 : 234,011.88 = 97,951.14 : x
  2. Step 2: Convert to fraction form
    169,572.78/234,011.88 = 97,951.14/x
  3. Step 3: Cross multiply
    169,572.78x = 234,011.88 × 97,951.14
  4. Step 4: Simplify right side
    169,572.78x = 22,921,730,419.54
  5. Step 5: Solve for x
    x = 22,921,730,419.54/169,572.78
  6. Step 6: Final answer
    x = 135,173.41

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1.5x scale

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.