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Finding the Fourth Proportional to 330,141.25, 495,067.67 and 116,838.30

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Solution

The fourth proportional to 330,141.25, 495,067.67 and 116,838.30 is: 175,206.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,141.25 : 495,067.67 = 116,838.30 : x
  2. Step 2: Convert to fraction form
    330,141.25/495,067.67 = 116,838.30/x
  3. Step 3: Cross multiply
    330,141.25x = 495,067.67 × 116,838.30
  4. Step 4: Simplify right side
    330,141.25x = 57,842,863,462.70
  5. Step 5: Solve for x
    x = 57,842,863,462.70/330,141.25
  6. Step 6: Final answer
    x = 175,206.41

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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.