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Finding the Fourth Proportional to 127,656.75, 191,572.62 and 44,550.75

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Solution

The fourth proportional to 127,656.75, 191,572.62 and 44,550.75 is: 66,856.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,656.75 : 191,572.62 = 44,550.75 : x
  2. Step 2: Convert to fraction form
    127,656.75/191,572.62 = 44,550.75/x
  3. Step 3: Cross multiply
    127,656.75x = 191,572.62 × 44,550.75
  4. Step 4: Simplify right side
    127,656.75x = 8,534,703,900.47
  5. Step 5: Solve for x
    x = 8,534,703,900.47/127,656.75
  6. Step 6: Final answer
    x = 66,856.66

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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.