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Finding the Fourth Proportional to 180,242.92, 248,736.85 and 99,675.91

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Solution

The fourth proportional to 180,242.92, 248,736.85 and 99,675.91 is: 137,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,242.92 : 248,736.85 = 99,675.91 : x
  2. Step 2: Convert to fraction form
    180,242.92/248,736.85 = 99,675.91/x
  3. Step 3: Cross multiply
    180,242.92x = 248,736.85 × 99,675.91
  4. Step 4: Simplify right side
    180,242.92x = 24,793,071,874.28
  5. Step 5: Solve for x
    x = 24,793,071,874.28/180,242.92
  6. Step 6: Final answer
    x = 137,553.65

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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.