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Finding the Fourth Proportional to 220,536.88, 304,340.88 and 119,934.88

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Solution

The fourth proportional to 220,536.88, 304,340.88 and 119,934.88 is: 165,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,536.88 : 304,340.88 = 119,934.88 : x
  2. Step 2: Convert to fraction form
    220,536.88/304,340.88 = 119,934.88/x
  3. Step 3: Cross multiply
    220,536.88x = 304,340.88 × 119,934.88
  4. Step 4: Simplify right side
    220,536.88x = 36,501,086,921.89
  5. Step 5: Solve for x
    x = 36,501,086,921.89/220,536.88
  6. Step 6: Final answer
    x = 165,510.13

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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.