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Finding the Fourth Proportional to 235,239.30, 352,872.47 and 66,746.44

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Solution

The fourth proportional to 235,239.30, 352,872.47 and 66,746.44 is: 100,123.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,239.30 : 352,872.47 = 66,746.44 : x
  2. Step 2: Convert to fraction form
    235,239.30/352,872.47 = 66,746.44/x
  3. Step 3: Cross multiply
    235,239.30x = 352,872.47 × 66,746.44
  4. Step 4: Simplify right side
    235,239.30x = 23,552,981,754.46
  5. Step 5: Solve for x
    x = 23,552,981,754.46/235,239.30
  6. Step 6: Final answer
    x = 100,123.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.