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Finding the Fourth Proportional to 169,729.70, 234,230.70 and 93,249.78

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Solution

The fourth proportional to 169,729.70, 234,230.70 and 93,249.78 is: 128,686.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,729.70 : 234,230.70 = 93,249.78 : x
  2. Step 2: Convert to fraction form
    169,729.70/234,230.70 = 93,249.78/x
  3. Step 3: Cross multiply
    169,729.70x = 234,230.70 × 93,249.78
  4. Step 4: Simplify right side
    169,729.70x = 21,841,961,244.25
  5. Step 5: Solve for x
    x = 21,841,961,244.25/169,729.70
  6. Step 6: Final answer
    x = 128,686.74

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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.