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Finding the Fourth Proportional to 146,641.20, 219,961.80 and 63,697.20

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Solution

The fourth proportional to 146,641.20, 219,961.80 and 63,697.20 is: 95,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,641.20 : 219,961.80 = 63,697.20 : x
  2. Step 2: Convert to fraction form
    146,641.20/219,961.80 = 63,697.20/x
  3. Step 3: Cross multiply
    146,641.20x = 219,961.80 × 63,697.20
  4. Step 4: Simplify right side
    146,641.20x = 14,010,950,766.96
  5. Step 5: Solve for x
    x = 14,010,950,766.96/146,641.20
  6. Step 6: Final answer
    x = 95,545.80

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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.