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Finding the Fourth Proportional to 85,229.95, 127,844.88 and 26,065.63

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Solution

The fourth proportional to 85,229.95, 127,844.88 and 26,065.63 is: 39,098.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,229.95 : 127,844.88 = 26,065.63 : x
  2. Step 2: Convert to fraction form
    85,229.95/127,844.88 = 26,065.63/x
  3. Step 3: Cross multiply
    85,229.95x = 127,844.88 × 26,065.63
  4. Step 4: Simplify right side
    85,229.95x = 3,332,357,339.47
  5. Step 5: Solve for x
    x = 3,332,357,339.47/85,229.95
  6. Step 6: Final answer
    x = 39,098.43

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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.