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Finding the Fourth Proportional to 173,800.12, 239,849.22 and 98,347

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Solution

The fourth proportional to 173,800.12, 239,849.22 and 98,347 is: 135,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,800.12 : 239,849.22 = 98,347 : x
  2. Step 2: Convert to fraction form
    173,800.12/239,849.22 = 98,347/x
  3. Step 3: Cross multiply
    173,800.12x = 239,849.22 × 98,347
  4. Step 4: Simplify right side
    173,800.12x = 23,588,451,239.34
  5. Step 5: Solve for x
    x = 23,588,451,239.34/173,800.12
  6. Step 6: Final answer
    x = 135,721.72

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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.