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Finding the Fourth Proportional to 92,694.18, 127,918.44 and 52,411.80

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Solution

The fourth proportional to 92,694.18, 127,918.44 and 52,411.80 is: 72,328.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,694.18 : 127,918.44 = 52,411.80 : x
  2. Step 2: Convert to fraction form
    92,694.18/127,918.44 = 52,411.80/x
  3. Step 3: Cross multiply
    92,694.18x = 127,918.44 × 52,411.80
  4. Step 4: Simplify right side
    92,694.18x = 6,704,435,693.59
  5. Step 5: Solve for x
    x = 6,704,435,693.59/92,694.18
  6. Step 6: Final answer
    x = 72,328.55

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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.