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Finding the Fourth Proportional to 150,524.40, 207,733.28 and 99,447.53

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Solution

The fourth proportional to 150,524.40, 207,733.28 and 99,447.53 is: 137,243.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,524.40 : 207,733.28 = 99,447.53 : x
  2. Step 2: Convert to fraction form
    150,524.40/207,733.28 = 99,447.53/x
  3. Step 3: Cross multiply
    150,524.40x = 207,733.28 × 99,447.53
  4. Step 4: Simplify right side
    150,524.40x = 20,658,561,594.80
  5. Step 5: Solve for x
    x = 20,658,561,594.80/150,524.40
  6. Step 6: Final answer
    x = 137,243.94

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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.