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Finding the Fourth Proportional to 147,161.75, 220,744.74 and 41,980.73

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Solution

The fourth proportional to 147,161.75, 220,744.74 and 41,980.73 is: 62,971.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,161.75 : 220,744.74 = 41,980.73 : x
  2. Step 2: Convert to fraction form
    147,161.75/220,744.74 = 41,980.73/x
  3. Step 3: Cross multiply
    147,161.75x = 220,744.74 × 41,980.73
  4. Step 4: Simplify right side
    147,161.75x = 9,267,025,328.86
  5. Step 5: Solve for x
    x = 9,267,025,328.86/147,161.75
  6. Step 6: Final answer
    x = 62,971.70

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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.