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Finding the Fourth Proportional to 127,471.69, 191,035.25 and 48,542.86

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Solution

The fourth proportional to 127,471.69, 191,035.25 and 48,542.86 is: 72,748.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,471.69 : 191,035.25 = 48,542.86 : x
  2. Step 2: Convert to fraction form
    127,471.69/191,035.25 = 48,542.86/x
  3. Step 3: Cross multiply
    127,471.69x = 191,035.25 × 48,542.86
  4. Step 4: Simplify right side
    127,471.69x = 9,273,396,699.74
  5. Step 5: Solve for x
    x = 9,273,396,699.74/127,471.69
  6. Step 6: Final answer
    x = 72,748.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.