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Finding the Fourth Proportional to 220,337.92, 304,064.64 and 119,735.68

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Solution

The fourth proportional to 220,337.92, 304,064.64 and 119,735.68 is: 165,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,337.92 : 304,064.64 = 119,735.68 : x
  2. Step 2: Convert to fraction form
    220,337.92/304,064.64 = 119,735.68/x
  3. Step 3: Cross multiply
    220,337.92x = 304,064.64 × 119,735.68
  4. Step 4: Simplify right side
    220,337.92x = 36,407,386,434.36
  5. Step 5: Solve for x
    x = 36,407,386,434.36/220,337.92
  6. Step 6: Final answer
    x = 165,234.32

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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.