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Finding the Fourth Proportional to 173,443.88, 239,357.22 and 97,990.76

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Solution

The fourth proportional to 173,443.88, 239,357.22 and 97,990.76 is: 135,229.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,443.88 : 239,357.22 = 97,990.76 : x
  2. Step 2: Convert to fraction form
    173,443.88/239,357.22 = 97,990.76/x
  3. Step 3: Cross multiply
    173,443.88x = 239,357.22 × 97,990.76
  4. Step 4: Simplify right side
    173,443.88x = 23,454,795,899.29
  5. Step 5: Solve for x
    x = 23,454,795,899.29/173,443.88
  6. Step 6: Final answer
    x = 135,229.88

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1.5x scale

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.