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Finding the Fourth Proportional to 351,633.80, 527,433.74 and 114,945.16

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Solution

The fourth proportional to 351,633.80, 527,433.74 and 114,945.16 is: 172,412.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,633.80 : 527,433.74 = 114,945.16 : x
  2. Step 2: Convert to fraction form
    351,633.80/527,433.74 = 114,945.16/x
  3. Step 3: Cross multiply
    351,633.80x = 527,433.74 × 114,945.16
  4. Step 4: Simplify right side
    351,633.80x = 60,625,955,633.70
  5. Step 5: Solve for x
    x = 60,625,955,633.70/351,633.80
  6. Step 6: Final answer
    x = 172,412.20

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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.