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Finding the Fourth Proportional to 92,371.86, 127,473.75 and 49,930.29

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Solution

The fourth proportional to 92,371.86, 127,473.75 and 49,930.29 is: 68,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,371.86 : 127,473.75 = 49,930.29 : x
  2. Step 2: Convert to fraction form
    92,371.86/127,473.75 = 49,930.29/x
  3. Step 3: Cross multiply
    92,371.86x = 127,473.75 × 49,930.29
  4. Step 4: Simplify right side
    92,371.86x = 6,364,801,304.89
  5. Step 5: Solve for x
    x = 6,364,801,304.89/92,371.86
  6. Step 6: Final answer
    x = 68,904.12

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1.5x scale

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.