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Finding the Fourth Proportional to 220,980.60, 331,586.10 and 96,334.20

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Solution

The fourth proportional to 220,980.60, 331,586.10 and 96,334.20 is: 144,551.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,980.60 : 331,586.10 = 96,334.20 : x
  2. Step 2: Convert to fraction form
    220,980.60/331,586.10 = 96,334.20/x
  3. Step 3: Cross multiply
    220,980.60x = 331,586.10 × 96,334.20
  4. Step 4: Simplify right side
    220,980.60x = 31,943,081,674.62
  5. Step 5: Solve for x
    x = 31,943,081,674.62/220,980.60
  6. Step 6: Final answer
    x = 144,551.52

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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.