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Finding the Fourth Proportional to 235,634.16, 353,398.01 and 67,150.87

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Solution

The fourth proportional to 235,634.16, 353,398.01 and 67,150.87 is: 100,711.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,634.16 : 353,398.01 = 67,150.87 : x
  2. Step 2: Convert to fraction form
    235,634.16/353,398.01 = 67,150.87/x
  3. Step 3: Cross multiply
    235,634.16x = 353,398.01 × 67,150.87
  4. Step 4: Simplify right side
    235,634.16x = 23,730,985,162.97
  5. Step 5: Solve for x
    x = 23,730,985,162.97/235,634.16
  6. Step 6: Final answer
    x = 100,711.14

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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.