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Finding the Fourth Proportional to 123,098.46, 169,873.83 and 69,383.58

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Solution

The fourth proportional to 123,098.46, 169,873.83 and 69,383.58 is: 95,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,098.46 : 169,873.83 = 69,383.58 : x
  2. Step 2: Convert to fraction form
    123,098.46/169,873.83 = 69,383.58/x
  3. Step 3: Cross multiply
    123,098.46x = 169,873.83 × 69,383.58
  4. Step 4: Simplify right side
    123,098.46x = 11,786,454,473.71
  5. Step 5: Solve for x
    x = 11,786,454,473.71/123,098.46
  6. Step 6: Final answer
    x = 95,748.19

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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.