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Finding the Fourth Proportional to 215,592.66, 297,521.01 and 124,954.92

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Solution

The fourth proportional to 215,592.66, 297,521.01 and 124,954.92 is: 172,439.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,592.66 : 297,521.01 = 124,954.92 : x
  2. Step 2: Convert to fraction form
    215,592.66/297,521.01 = 124,954.92/x
  3. Step 3: Cross multiply
    215,592.66x = 297,521.01 × 124,954.92
  4. Step 4: Simplify right side
    215,592.66x = 37,176,714,002.87
  5. Step 5: Solve for x
    x = 37,176,714,002.87/215,592.66
  6. Step 6: Final answer
    x = 172,439.61

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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.