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Finding the Fourth Proportional to 220,322.96, 304,047.60 and 119,720.96

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Solution

The fourth proportional to 220,322.96, 304,047.60 and 119,720.96 is: 165,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,322.96 : 304,047.60 = 119,720.96 : x
  2. Step 2: Convert to fraction form
    220,322.96/304,047.60 = 119,720.96/x
  3. Step 3: Cross multiply
    220,322.96x = 304,047.60 × 119,720.96
  4. Step 4: Simplify right side
    220,322.96x = 36,400,870,557.70
  5. Step 5: Solve for x
    x = 36,400,870,557.70/220,322.96
  6. Step 6: Final answer
    x = 165,215.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.