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Finding the Fourth Proportional to 146,993.80, 220,425.90 and 58,217.80

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Solution

The fourth proportional to 146,993.80, 220,425.90 and 58,217.80 is: 87,301.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,993.80 : 220,425.90 = 58,217.80 : x
  2. Step 2: Convert to fraction form
    146,993.80/220,425.90 = 58,217.80/x
  3. Step 3: Cross multiply
    146,993.80x = 220,425.90 × 58,217.80
  4. Step 4: Simplify right side
    146,993.80x = 12,832,710,961.02
  5. Step 5: Solve for x
    x = 12,832,710,961.02/146,993.80
  6. Step 6: Final answer
    x = 87,301.04

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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.