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Finding the Fourth Proportional to 235,045.70, 352,610.01 and 75,135.90

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Solution

The fourth proportional to 235,045.70, 352,610.01 and 75,135.90 is: 112,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,045.70 : 352,610.01 = 75,135.90 : x
  2. Step 2: Convert to fraction form
    235,045.70/352,610.01 = 75,135.90/x
  3. Step 3: Cross multiply
    235,045.70x = 352,610.01 × 75,135.90
  4. Step 4: Simplify right side
    235,045.70x = 26,493,671,772.65
  5. Step 5: Solve for x
    x = 26,493,671,772.65/235,045.70
  6. Step 6: Final answer
    x = 112,717.11

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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.