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Finding the Fourth Proportional to 243,799.92, 336,479.76 and 148,288.14

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Solution

The fourth proportional to 243,799.92, 336,479.76 and 148,288.14 is: 204,659.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,799.92 : 336,479.76 = 148,288.14 : x
  2. Step 2: Convert to fraction form
    243,799.92/336,479.76 = 148,288.14/x
  3. Step 3: Cross multiply
    243,799.92x = 336,479.76 × 148,288.14
  4. Step 4: Simplify right side
    243,799.92x = 49,895,957,758.05
  5. Step 5: Solve for x
    x = 49,895,957,758.05/243,799.92
  6. Step 6: Final answer
    x = 204,659.45

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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.