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Finding the Fourth Proportional to 92,177.82, 127,179.90 and 51,889.20

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Solution

The fourth proportional to 92,177.82, 127,179.90 and 51,889.20 is: 71,592.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,177.82 : 127,179.90 = 51,889.20 : x
  2. Step 2: Convert to fraction form
    92,177.82/127,179.90 = 51,889.20/x
  3. Step 3: Cross multiply
    92,177.82x = 127,179.90 × 51,889.20
  4. Step 4: Simplify right side
    92,177.82x = 6,599,263,267.08
  5. Step 5: Solve for x
    x = 6,599,263,267.08/92,177.82
  6. Step 6: Final answer
    x = 71,592.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.