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Finding the Fourth Proportional to 273,240.68, 409,862.04 and 83,700.30

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Solution

The fourth proportional to 273,240.68, 409,862.04 and 83,700.30 is: 125,550.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,240.68 : 409,862.04 = 83,700.30 : x
  2. Step 2: Convert to fraction form
    273,240.68/409,862.04 = 83,700.30/x
  3. Step 3: Cross multiply
    273,240.68x = 409,862.04 × 83,700.30
  4. Step 4: Simplify right side
    273,240.68x = 34,305,575,706.61
  5. Step 5: Solve for x
    x = 34,305,575,706.61/273,240.68
  6. Step 6: Final answer
    x = 125,550.76

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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.