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Finding the Fourth Proportional to 243,257.30, 364,557.90 and 163,067.30

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Solution

The fourth proportional to 243,257.30, 364,557.90 and 163,067.30 is: 244,381.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,257.30 : 364,557.90 = 163,067.30 : x
  2. Step 2: Convert to fraction form
    243,257.30/364,557.90 = 163,067.30/x
  3. Step 3: Cross multiply
    243,257.30x = 364,557.90 × 163,067.30
  4. Step 4: Simplify right side
    243,257.30x = 59,447,472,446.67
  5. Step 5: Solve for x
    x = 59,447,472,446.67/243,257.30
  6. Step 6: Final answer
    x = 244,381.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.