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Finding the Fourth Proportional to 330,147.45, 495,076.95 and 116,844.46

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Solution

The fourth proportional to 330,147.45, 495,076.95 and 116,844.46 is: 175,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,147.45 : 495,076.95 = 116,844.46 : x
  2. Step 2: Convert to fraction form
    330,147.45/495,076.95 = 116,844.46/x
  3. Step 3: Cross multiply
    330,147.45x = 495,076.95 × 116,844.46
  4. Step 4: Simplify right side
    330,147.45x = 57,846,998,881.20
  5. Step 5: Solve for x
    x = 57,846,998,881.20/330,147.45
  6. Step 6: Final answer
    x = 175,215.65

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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.