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Finding the Fourth Proportional to 330,148.70, 495,078.82 and 116,845.72

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Solution

The fourth proportional to 330,148.70, 495,078.82 and 116,845.72 is: 175,217.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,148.70 : 495,078.82 = 116,845.72 : x
  2. Step 2: Convert to fraction form
    330,148.70/495,078.82 = 116,845.72/x
  3. Step 3: Cross multiply
    330,148.70x = 495,078.82 × 116,845.72
  4. Step 4: Simplify right side
    330,148.70x = 57,847,841,179.65
  5. Step 5: Solve for x
    x = 57,847,841,179.65/330,148.70
  6. Step 6: Final answer
    x = 175,217.53

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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.