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Finding the Fourth Proportional to 150,521.68, 207,722.28 and 82,544.86

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Solution

The fourth proportional to 150,521.68, 207,722.28 and 82,544.86 is: 113,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,521.68 : 207,722.28 = 82,544.86 : x
  2. Step 2: Convert to fraction form
    150,521.68/207,722.28 = 82,544.86/x
  3. Step 3: Cross multiply
    150,521.68x = 207,722.28 × 82,544.86
  4. Step 4: Simplify right side
    150,521.68x = 17,146,406,521.48
  5. Step 5: Solve for x
    x = 17,146,406,521.48/150,521.68
  6. Step 6: Final answer
    x = 113,913.20

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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.