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Finding the Fourth Proportional to 330,122.75, 495,092.66 and 116,862.57

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Solution

The fourth proportional to 330,122.75, 495,092.66 and 116,862.57 is: 175,261.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,122.75 : 495,092.66 = 116,862.57 : x
  2. Step 2: Convert to fraction form
    330,122.75/495,092.66 = 116,862.57/x
  3. Step 3: Cross multiply
    330,122.75x = 495,092.66 × 116,862.57
  4. Step 4: Simplify right side
    330,122.75x = 57,857,800,051.42
  5. Step 5: Solve for x
    x = 57,857,800,051.42/330,122.75
  6. Step 6: Final answer
    x = 175,261.48

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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.