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Finding the Fourth Proportional to 92,389.52, 127,412.52 and 60,546.80

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Solution

The fourth proportional to 92,389.52, 127,412.52 and 60,546.80 is: 83,498.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,389.52 : 127,412.52 = 60,546.80 : x
  2. Step 2: Convert to fraction form
    92,389.52/127,412.52 = 60,546.80/x
  3. Step 3: Cross multiply
    92,389.52x = 127,412.52 × 60,546.80
  4. Step 4: Simplify right side
    92,389.52x = 7,714,420,365.94
  5. Step 5: Solve for x
    x = 7,714,420,365.94/92,389.52
  6. Step 6: Final answer
    x = 83,498.87

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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.