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Finding the Fourth Proportional to 256,846.16, 385,269.24 and 88,370.61

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Solution

The fourth proportional to 256,846.16, 385,269.24 and 88,370.61 is: 132,555.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,846.16 : 385,269.24 = 88,370.61 : x
  2. Step 2: Convert to fraction form
    256,846.16/385,269.24 = 88,370.61/x
  3. Step 3: Cross multiply
    256,846.16x = 385,269.24 × 88,370.61
  4. Step 4: Simplify right side
    256,846.16x = 34,046,477,753.04
  5. Step 5: Solve for x
    x = 34,046,477,753.04/256,846.16
  6. Step 6: Final answer
    x = 132,555.92

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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.