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Finding the Fourth Proportional to 330,033.80, 495,002.10 and 93,400.40

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Solution

The fourth proportional to 330,033.80, 495,002.10 and 93,400.40 is: 140,086.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,033.80 : 495,002.10 = 93,400.40 : x
  2. Step 2: Convert to fraction form
    330,033.80/495,002.10 = 93,400.40/x
  3. Step 3: Cross multiply
    330,033.80x = 495,002.10 × 93,400.40
  4. Step 4: Simplify right side
    330,033.80x = 46,233,394,140.84
  5. Step 5: Solve for x
    x = 46,233,394,140.84/330,033.80
  6. Step 6: Final answer
    x = 140,086.85

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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.