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Finding the Fourth Proportional to 92,388.60, 127,496.16 and 49,947.12

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Solution

The fourth proportional to 92,388.60, 127,496.16 and 49,947.12 is: 68,926.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,388.60 : 127,496.16 = 49,947.12 : x
  2. Step 2: Convert to fraction form
    92,388.60/127,496.16 = 49,947.12/x
  3. Step 3: Cross multiply
    92,388.60x = 127,496.16 × 49,947.12
  4. Step 4: Simplify right side
    92,388.60x = 6,368,066,003.06
  5. Step 5: Solve for x
    x = 6,368,066,003.06/92,388.60
  6. Step 6: Final answer
    x = 68,926.97

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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.