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Finding the Fourth Proportional to 150,725.88, 207,959.13 and 97,041.96

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Solution

The fourth proportional to 150,725.88, 207,959.13 and 97,041.96 is: 133,890.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,725.88 : 207,959.13 = 97,041.96 : x
  2. Step 2: Convert to fraction form
    150,725.88/207,959.13 = 97,041.96/x
  3. Step 3: Cross multiply
    150,725.88x = 207,959.13 × 97,041.96
  4. Step 4: Simplify right side
    150,725.88x = 20,180,761,575.09
  5. Step 5: Solve for x
    x = 20,180,761,575.09/150,725.88
  6. Step 6: Final answer
    x = 133,890.49

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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.