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Finding the Fourth Proportional to 85,077.08, 127,634.08 and 25,911.22

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Solution

The fourth proportional to 85,077.08, 127,634.08 and 25,911.22 is: 38,872.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,077.08 : 127,634.08 = 25,911.22 : x
  2. Step 2: Convert to fraction form
    85,077.08/127,634.08 = 25,911.22/x
  3. Step 3: Cross multiply
    85,077.08x = 127,634.08 × 25,911.22
  4. Step 4: Simplify right side
    85,077.08x = 3,307,154,726.38
  5. Step 5: Solve for x
    x = 3,307,154,726.38/85,077.08
  6. Step 6: Final answer
    x = 38,872.45

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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.