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Finding the Fourth Proportional to 220,333.64, 304,060.40 and 119,731.64

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Solution

The fourth proportional to 220,333.64, 304,060.40 and 119,731.64 is: 165,229.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,333.64 : 304,060.40 = 119,731.64 : x
  2. Step 2: Convert to fraction form
    220,333.64/304,060.40 = 119,731.64/x
  3. Step 3: Cross multiply
    220,333.64x = 304,060.40 × 119,731.64
  4. Step 4: Simplify right side
    220,333.64x = 36,405,650,351.06
  5. Step 5: Solve for x
    x = 36,405,650,351.06/220,333.64
  6. Step 6: Final answer
    x = 165,229.65

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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.