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Finding the Fourth Proportional to 250,061, 374,963.92 and 81,472.92

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Solution

The fourth proportional to 250,061, 374,963.92 and 81,472.92 is: 122,167.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,061 : 374,963.92 = 81,472.92 : x
  2. Step 2: Convert to fraction form
    250,061/374,963.92 = 81,472.92/x
  3. Step 3: Cross multiply
    250,061x = 374,963.92 × 81,472.92
  4. Step 4: Simplify right side
    250,061x = 30,549,405,457.05
  5. Step 5: Solve for x
    x = 30,549,405,457.05/250,061
  6. Step 6: Final answer
    x = 122,167.81

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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.