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Finding the Fourth Proportional to 173,885.74, 239,966.15 and 97,410.50

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Solution

The fourth proportional to 173,885.74, 239,966.15 and 97,410.50 is: 134,428.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,885.74 : 239,966.15 = 97,410.50 : x
  2. Step 2: Convert to fraction form
    173,885.74/239,966.15 = 97,410.50/x
  3. Step 3: Cross multiply
    173,885.74x = 239,966.15 × 97,410.50
  4. Step 4: Simplify right side
    173,885.74x = 23,375,221,867.56
  5. Step 5: Solve for x
    x = 23,375,221,867.56/173,885.74
  6. Step 6: Final answer
    x = 134,428.63

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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.