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Finding the Fourth Proportional to 95,068, 131,228.40 and 55,324

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Solution

The fourth proportional to 95,068, 131,228.40 and 55,324 is: 76,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,068 : 131,228.40 = 55,324 : x
  2. Step 2: Convert to fraction form
    95,068/131,228.40 = 55,324/x
  3. Step 3: Cross multiply
    95,068x = 131,228.40 × 55,324
  4. Step 4: Simplify right side
    95,068x = 7,260,080,001.60
  5. Step 5: Solve for x
    x = 7,260,080,001.60/95,068
  6. Step 6: Final answer
    x = 76,367.23

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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.