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Finding the Fourth Proportional to 92,335.88, 127,423.56 and 49,894.42

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Solution

The fourth proportional to 92,335.88, 127,423.56 and 49,894.42 is: 68,854.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,335.88 : 127,423.56 = 49,894.42 : x
  2. Step 2: Convert to fraction form
    92,335.88/127,423.56 = 49,894.42/x
  3. Step 3: Cross multiply
    92,335.88x = 127,423.56 × 49,894.42
  4. Step 4: Simplify right side
    92,335.88x = 6,357,724,620.54
  5. Step 5: Solve for x
    x = 6,357,724,620.54/92,335.88
  6. Step 6: Final answer
    x = 68,854.32

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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.