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Finding the Fourth Proportional to 299,666.38, 449,565.24 and 112,677.88

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Solution

The fourth proportional to 299,666.38, 449,565.24 and 112,677.88 is: 169,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,666.38 : 449,565.24 = 112,677.88 : x
  2. Step 2: Convert to fraction form
    299,666.38/449,565.24 = 112,677.88/x
  3. Step 3: Cross multiply
    299,666.38x = 449,565.24 × 112,677.88
  4. Step 4: Simplify right side
    299,666.38x = 50,656,058,164.89
  5. Step 5: Solve for x
    x = 50,656,058,164.89/299,666.38
  6. Step 6: Final answer
    x = 169,041.51

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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.