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Finding the Fourth Proportional to 351,648.36, 527,555.52 and 114,990.12

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Solution

The fourth proportional to 351,648.36, 527,555.52 and 114,990.12 is: 172,512.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,648.36 : 527,555.52 = 114,990.12 : x
  2. Step 2: Convert to fraction form
    351,648.36/527,555.52 = 114,990.12/x
  3. Step 3: Cross multiply
    351,648.36x = 527,555.52 × 114,990.12
  4. Step 4: Simplify right side
    351,648.36x = 60,663,672,551.46
  5. Step 5: Solve for x
    x = 60,663,672,551.46/351,648.36
  6. Step 6: Final answer
    x = 172,512.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.