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Finding the Fourth Proportional to 95,881.86, 132,378.62 and 85,792.77

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Solution

The fourth proportional to 95,881.86, 132,378.62 and 85,792.77 is: 118,449.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,881.86 : 132,378.62 = 85,792.77 : x
  2. Step 2: Convert to fraction form
    95,881.86/132,378.62 = 85,792.77/x
  3. Step 3: Cross multiply
    95,881.86x = 132,378.62 × 85,792.77
  4. Step 4: Simplify right side
    95,881.86x = 11,357,128,069.61
  5. Step 5: Solve for x
    x = 11,357,128,069.61/95,881.86
  6. Step 6: Final answer
    x = 118,449.18

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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.