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Finding the Fourth Proportional to 85,255.39, 127,882.90 and 22,925.95

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Solution

The fourth proportional to 85,255.39, 127,882.90 and 22,925.95 is: 34,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,255.39 : 127,882.90 = 22,925.95 : x
  2. Step 2: Convert to fraction form
    85,255.39/127,882.90 = 22,925.95/x
  3. Step 3: Cross multiply
    85,255.39x = 127,882.90 × 22,925.95
  4. Step 4: Simplify right side
    85,255.39x = 2,931,836,971.26
  5. Step 5: Solve for x
    x = 2,931,836,971.26/85,255.39
  6. Step 6: Final answer
    x = 34,388.88

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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.