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Finding the Fourth Proportional to 235,406.25, 353,264.90 and 110,756.97

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Solution

The fourth proportional to 235,406.25, 353,264.90 and 110,756.97 is: 166,208.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,406.25 : 353,264.90 = 110,756.97 : x
  2. Step 2: Convert to fraction form
    235,406.25/353,264.90 = 110,756.97/x
  3. Step 3: Cross multiply
    235,406.25x = 353,264.90 × 110,756.97
  4. Step 4: Simplify right side
    235,406.25x = 39,126,549,377.57
  5. Step 5: Solve for x
    x = 39,126,549,377.57/235,406.25
  6. Step 6: Final answer
    x = 166,208.63

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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.