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Finding the Fourth Proportional to 236,469.20, 354,703.80 and 147,895.70

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Solution

The fourth proportional to 236,469.20, 354,703.80 and 147,895.70 is: 221,843.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,469.20 : 354,703.80 = 147,895.70 : x
  2. Step 2: Convert to fraction form
    236,469.20/354,703.80 = 147,895.70/x
  3. Step 3: Cross multiply
    236,469.20x = 354,703.80 × 147,895.70
  4. Step 4: Simplify right side
    236,469.20x = 52,459,166,793.66
  5. Step 5: Solve for x
    x = 52,459,166,793.66/236,469.20
  6. Step 6: Final answer
    x = 221,843.55

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1.5x scale

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.