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Finding the Fourth Proportional to 220,534.88, 304,338.13 and 119,932.88

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Solution

The fourth proportional to 220,534.88, 304,338.13 and 119,932.88 is: 165,507.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,534.88 : 304,338.13 = 119,932.88 : x
  2. Step 2: Convert to fraction form
    220,534.88/304,338.13 = 119,932.88/x
  3. Step 3: Cross multiply
    220,534.88x = 304,338.13 × 119,932.88
  4. Step 4: Simplify right side
    220,534.88x = 36,500,146,603.19
  5. Step 5: Solve for x
    x = 36,500,146,603.19/220,534.88
  6. Step 6: Final answer
    x = 165,507.37

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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.