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Finding the Fourth Proportional to 92,167.88, 127,190.27 and 51,881.52

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Solution

The fourth proportional to 92,167.88, 127,190.27 and 51,881.52 is: 71,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,167.88 : 127,190.27 = 51,881.52 : x
  2. Step 2: Convert to fraction form
    92,167.88/127,190.27 = 51,881.52/x
  3. Step 3: Cross multiply
    92,167.88x = 127,190.27 × 51,881.52
  4. Step 4: Simplify right side
    92,167.88x = 6,598,824,277.40
  5. Step 5: Solve for x
    x = 6,598,824,277.40/92,167.88
  6. Step 6: Final answer
    x = 71,595.70

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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.