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Finding the Fourth Proportional to 235,813.80, 353,498.34 and 117,373.20

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Solution

The fourth proportional to 235,813.80, 353,498.34 and 117,373.20 is: 175,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,813.80 : 353,498.34 = 117,373.20 : x
  2. Step 2: Convert to fraction form
    235,813.80/353,498.34 = 117,373.20/x
  3. Step 3: Cross multiply
    235,813.80x = 353,498.34 × 117,373.20
  4. Step 4: Simplify right side
    235,813.80x = 41,491,231,360.49
  5. Step 5: Solve for x
    x = 41,491,231,360.49/235,813.80
  6. Step 6: Final answer
    x = 175,949.12

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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.