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Finding the Fourth Proportional to 92,640.58, 127,827.15 and 51,805.46

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Solution

The fourth proportional to 92,640.58, 127,827.15 and 51,805.46 is: 71,482.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,640.58 : 127,827.15 = 51,805.46 : x
  2. Step 2: Convert to fraction form
    92,640.58/127,827.15 = 51,805.46/x
  3. Step 3: Cross multiply
    92,640.58x = 127,827.15 × 51,805.46
  4. Step 4: Simplify right side
    92,640.58x = 6,622,144,306.24
  5. Step 5: Solve for x
    x = 6,622,144,306.24/92,640.58
  6. Step 6: Final answer
    x = 71,482.11

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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.