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Finding the Fourth Proportional to 92,422.39, 127,542.65 and 49,980.92

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Solution

The fourth proportional to 92,422.39, 127,542.65 and 49,980.92 is: 68,973.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,422.39 : 127,542.65 = 49,980.92 : x
  2. Step 2: Convert to fraction form
    92,422.39/127,542.65 = 49,980.92/x
  3. Step 3: Cross multiply
    92,422.39x = 127,542.65 × 49,980.92
  4. Step 4: Simplify right side
    92,422.39x = 6,374,699,455.90
  5. Step 5: Solve for x
    x = 6,374,699,455.90/92,422.39
  6. Step 6: Final answer
    x = 68,973.54

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Double scale
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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.