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Finding the Fourth Proportional to 167,630.80, 251,446.20 and 146,894.80

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Solution

The fourth proportional to 167,630.80, 251,446.20 and 146,894.80 is: 220,342.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,630.80 : 251,446.20 = 146,894.80 : x
  2. Step 2: Convert to fraction form
    167,630.80/251,446.20 = 146,894.80/x
  3. Step 3: Cross multiply
    167,630.80x = 251,446.20 × 146,894.80
  4. Step 4: Simplify right side
    167,630.80x = 36,936,139,259.76
  5. Step 5: Solve for x
    x = 36,936,139,259.76/167,630.80
  6. Step 6: Final answer
    x = 220,342.20

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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.