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Finding the Fourth Proportional to 146,808.80, 220,221.58 and 41,619.50

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Solution

The fourth proportional to 146,808.80, 220,221.58 and 41,619.50 is: 62,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,808.80 : 220,221.58 = 41,619.50 : x
  2. Step 2: Convert to fraction form
    146,808.80/220,221.58 = 41,619.50/x
  3. Step 3: Cross multiply
    146,808.80x = 220,221.58 × 41,619.50
  4. Step 4: Simplify right side
    146,808.80x = 9,165,512,048.81
  5. Step 5: Solve for x
    x = 9,165,512,048.81/146,808.80
  6. Step 6: Final answer
    x = 62,431.63

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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.