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Finding the Fourth Proportional to 95,831.34, 132,251.34 and 53,389.86

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Solution

The fourth proportional to 95,831.34, 132,251.34 and 53,389.86 is: 73,680.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,831.34 : 132,251.34 = 53,389.86 : x
  2. Step 2: Convert to fraction form
    95,831.34/132,251.34 = 53,389.86/x
  3. Step 3: Cross multiply
    95,831.34x = 132,251.34 × 53,389.86
  4. Step 4: Simplify right side
    95,831.34x = 7,060,880,527.41
  5. Step 5: Solve for x
    x = 7,060,880,527.41/95,831.34
  6. Step 6: Final answer
    x = 73,680.29

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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.