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Finding the Fourth Proportional to 92,134.88, 127,144.64 and 51,848.61

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Solution

The fourth proportional to 92,134.88, 127,144.64 and 51,848.61 is: 71,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,134.88 : 127,144.64 = 51,848.61 : x
  2. Step 2: Convert to fraction form
    92,134.88/127,144.64 = 51,848.61/x
  3. Step 3: Cross multiply
    92,134.88x = 127,144.64 × 51,848.61
  4. Step 4: Simplify right side
    92,134.88x = 6,592,272,593.71
  5. Step 5: Solve for x
    x = 6,592,272,593.71/92,134.88
  6. Step 6: Final answer
    x = 71,550.24

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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.