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Finding the Fourth Proportional to 131,967.74, 182,117.76 and 75,379.52

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Solution

The fourth proportional to 131,967.74, 182,117.76 and 75,379.52 is: 104,025.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,967.74 : 182,117.76 = 75,379.52 : x
  2. Step 2: Convert to fraction form
    131,967.74/182,117.76 = 75,379.52/x
  3. Step 3: Cross multiply
    131,967.74x = 182,117.76 × 75,379.52
  4. Step 4: Simplify right side
    131,967.74x = 13,727,949,332.28
  5. Step 5: Solve for x
    x = 13,727,949,332.28/131,967.74
  6. Step 6: Final answer
    x = 104,025.04

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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.