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Finding the Fourth Proportional to 92,690.73, 127,913.38 and 50,248.96

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Solution

The fourth proportional to 92,690.73, 127,913.38 and 50,248.96 is: 69,343.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,690.73 : 127,913.38 = 50,248.96 : x
  2. Step 2: Convert to fraction form
    92,690.73/127,913.38 = 50,248.96/x
  3. Step 3: Cross multiply
    92,690.73x = 127,913.38 × 50,248.96
  4. Step 4: Simplify right side
    92,690.73x = 6,427,513,869.68
  5. Step 5: Solve for x
    x = 6,427,513,869.68/92,690.73
  6. Step 6: Final answer
    x = 69,343.65

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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.