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Finding the Fourth Proportional to 92,543.39, 127,709.91 and 50,101.91

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Solution

The fourth proportional to 92,543.39, 127,709.91 and 50,101.91 is: 69,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,543.39 : 127,709.91 = 50,101.91 : x
  2. Step 2: Convert to fraction form
    92,543.39/127,709.91 = 50,101.91/x
  3. Step 3: Cross multiply
    92,543.39x = 127,709.91 × 50,101.91
  4. Step 4: Simplify right side
    92,543.39x = 6,398,509,778.38
  5. Step 5: Solve for x
    x = 6,398,509,778.38/92,543.39
  6. Step 6: Final answer
    x = 69,140.65

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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.