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Finding the Fourth Proportional to 330,125.25, 495,096.40 and 116,865.07

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Solution

The fourth proportional to 330,125.25, 495,096.40 and 116,865.07 is: 175,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,125.25 : 495,096.40 = 116,865.07 : x
  2. Step 2: Convert to fraction form
    330,125.25/495,096.40 = 116,865.07/x
  3. Step 3: Cross multiply
    330,125.25x = 495,096.40 × 116,865.07
  4. Step 4: Simplify right side
    330,125.25x = 57,859,475,442.75
  5. Step 5: Solve for x
    x = 57,859,475,442.75/330,125.25
  6. Step 6: Final answer
    x = 175,265.22

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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.