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Finding the Fourth Proportional to 92,343.85, 127,426.87 and 52,067.51

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Solution

The fourth proportional to 92,343.85, 127,426.87 and 52,067.51 is: 71,848.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,343.85 : 127,426.87 = 52,067.51 : x
  2. Step 2: Convert to fraction form
    92,343.85/127,426.87 = 52,067.51/x
  3. Step 3: Cross multiply
    92,343.85x = 127,426.87 × 52,067.51
  4. Step 4: Simplify right side
    92,343.85x = 6,634,799,733.79
  5. Step 5: Solve for x
    x = 6,634,799,733.79/92,343.85
  6. Step 6: Final answer
    x = 71,848.86

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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.