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Finding the Fourth Proportional to 220,367.34, 304,105.86 and 119,765.34

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Solution

The fourth proportional to 220,367.34, 304,105.86 and 119,765.34 is: 165,275.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,367.34 : 304,105.86 = 119,765.34 : x
  2. Step 2: Convert to fraction form
    220,367.34/304,105.86 = 119,765.34/x
  3. Step 3: Cross multiply
    220,367.34x = 304,105.86 × 119,765.34
  4. Step 4: Simplify right side
    220,367.34x = 36,421,341,718.89
  5. Step 5: Solve for x
    x = 36,421,341,718.89/220,367.34
  6. Step 6: Final answer
    x = 165,275.59

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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.