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Finding the Fourth Proportional to 330,089.58, 495,057.42 and 105,470.10

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Solution

The fourth proportional to 330,089.58, 495,057.42 and 105,470.10 is: 158,180.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,089.58 : 495,057.42 = 105,470.10 : x
  2. Step 2: Convert to fraction form
    330,089.58/495,057.42 = 105,470.10/x
  3. Step 3: Cross multiply
    330,089.58x = 495,057.42 × 105,470.10
  4. Step 4: Simplify right side
    330,089.58x = 52,213,755,593.14
  5. Step 5: Solve for x
    x = 52,213,755,593.14/330,089.58
  6. Step 6: Final answer
    x = 158,180.56

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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.