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Finding the Fourth Proportional to 218,856.96, 328,344.96 and 94,170.24

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Solution

The fourth proportional to 218,856.96, 328,344.96 and 94,170.24 is: 141,280.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,856.96 : 328,344.96 = 94,170.24 : x
  2. Step 2: Convert to fraction form
    218,856.96/328,344.96 = 94,170.24/x
  3. Step 3: Cross multiply
    218,856.96x = 328,344.96 × 94,170.24
  4. Step 4: Simplify right side
    218,856.96x = 30,920,323,685.99
  5. Step 5: Solve for x
    x = 30,920,323,685.99/218,856.96
  6. Step 6: Final answer
    x = 141,280.97

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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.