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Finding the Fourth Proportional to 85,218.26, 127,845.84 and 32,627.76

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Solution

The fourth proportional to 85,218.26, 127,845.84 and 32,627.76 is: 48,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,218.26 : 127,845.84 = 32,627.76 : x
  2. Step 2: Convert to fraction form
    85,218.26/127,845.84 = 32,627.76/x
  3. Step 3: Cross multiply
    85,218.26x = 127,845.84 × 32,627.76
  4. Step 4: Simplify right side
    85,218.26x = 4,171,323,384.52
  5. Step 5: Solve for x
    x = 4,171,323,384.52/85,218.26
  6. Step 6: Final answer
    x = 48,948.70

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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.