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Finding the Fourth Proportional to 92,659.92, 127,870.68 and 50,218.47

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Solution

The fourth proportional to 92,659.92, 127,870.68 and 50,218.47 is: 69,301.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,659.92 : 127,870.68 = 50,218.47 : x
  2. Step 2: Convert to fraction form
    92,659.92/127,870.68 = 50,218.47/x
  3. Step 3: Cross multiply
    92,659.92x = 127,870.68 × 50,218.47
  4. Step 4: Simplify right side
    92,659.92x = 6,421,469,907.46
  5. Step 5: Solve for x
    x = 6,421,469,907.46/92,659.92
  6. Step 6: Final answer
    x = 69,301.48

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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.