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Finding the Fourth Proportional to 330,135.16, 495,223.86 and 93,496.60

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Solution

The fourth proportional to 330,135.16, 495,223.86 and 93,496.60 is: 140,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,135.16 : 495,223.86 = 93,496.60 : x
  2. Step 2: Convert to fraction form
    330,135.16/495,223.86 = 93,496.60/x
  3. Step 3: Cross multiply
    330,135.16x = 495,223.86 × 93,496.60
  4. Step 4: Simplify right side
    330,135.16x = 46,301,747,148.88
  5. Step 5: Solve for x
    x = 46,301,747,148.88/330,135.16
  6. Step 6: Final answer
    x = 140,250.88

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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.