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Finding the Fourth Proportional to 235,231.67, 352,869.36 and 66,756.13

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Solution

The fourth proportional to 235,231.67, 352,869.36 and 66,756.13 is: 100,140.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,231.67 : 352,869.36 = 66,756.13 : x
  2. Step 2: Convert to fraction form
    235,231.67/352,869.36 = 66,756.13/x
  3. Step 3: Cross multiply
    235,231.67x = 352,869.36 × 66,756.13
  4. Step 4: Simplify right side
    235,231.67x = 23,556,192,869.18
  5. Step 5: Solve for x
    x = 23,556,192,869.18/235,231.67
  6. Step 6: Final answer
    x = 100,140.40

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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.