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Finding the Fourth Proportional to 146,992.80, 220,424.40 and 58,216.80

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Solution

The fourth proportional to 146,992.80, 220,424.40 and 58,216.80 is: 87,299.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,992.80 : 220,424.40 = 58,216.80 : x
  2. Step 2: Convert to fraction form
    146,992.80/220,424.40 = 58,216.80/x
  3. Step 3: Cross multiply
    146,992.80x = 220,424.40 × 58,216.80
  4. Step 4: Simplify right side
    146,992.80x = 12,832,403,209.92
  5. Step 5: Solve for x
    x = 12,832,403,209.92/146,992.80
  6. Step 6: Final answer
    x = 87,299.54

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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.