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Finding the Fourth Proportional to 95,118.84, 131,265.36 and 54,831.87

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Solution

The fourth proportional to 95,118.84, 131,265.36 and 54,831.87 is: 75,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,118.84 : 131,265.36 = 54,831.87 : x
  2. Step 2: Convert to fraction form
    95,118.84/131,265.36 = 54,831.87/x
  3. Step 3: Cross multiply
    95,118.84x = 131,265.36 × 54,831.87
  4. Step 4: Simplify right side
    95,118.84x = 7,197,525,155.02
  5. Step 5: Solve for x
    x = 7,197,525,155.02/95,118.84
  6. Step 6: Final answer
    x = 75,668.77

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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.