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Finding the Fourth Proportional to 220,937.38, 304,893.48 and 120,335.38

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Solution

The fourth proportional to 220,937.38, 304,893.48 and 120,335.38 is: 166,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,937.38 : 304,893.48 = 120,335.38 : x
  2. Step 2: Convert to fraction form
    220,937.38/304,893.48 = 120,335.38/x
  3. Step 3: Cross multiply
    220,937.38x = 304,893.48 × 120,335.38
  4. Step 4: Simplify right side
    220,937.38x = 36,689,472,775.32
  5. Step 5: Solve for x
    x = 36,689,472,775.32/220,937.38
  6. Step 6: Final answer
    x = 166,062.77

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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.