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Finding the Fourth Proportional to 169,902.64, 234,471.68 and 93,427.58

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Solution

The fourth proportional to 169,902.64, 234,471.68 and 93,427.58 is: 128,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,902.64 : 234,471.68 = 93,427.58 : x
  2. Step 2: Convert to fraction form
    169,902.64/234,471.68 = 93,427.58/x
  3. Step 3: Cross multiply
    169,902.64x = 234,471.68 × 93,427.58
  4. Step 4: Simplify right side
    169,902.64x = 21,906,121,640.93
  5. Step 5: Solve for x
    x = 21,906,121,640.93/169,902.64
  6. Step 6: Final answer
    x = 128,933.38

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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.