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Finding the Fourth Proportional to 235,934.40, 353,830.08 and 67,443.52

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Solution

The fourth proportional to 235,934.40, 353,830.08 and 67,443.52 is: 101,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,934.40 : 353,830.08 = 67,443.52 : x
  2. Step 2: Convert to fraction form
    235,934.40/353,830.08 = 67,443.52/x
  3. Step 3: Cross multiply
    235,934.40x = 353,830.08 × 67,443.52
  4. Step 4: Simplify right side
    235,934.40x = 23,863,546,077.08
  5. Step 5: Solve for x
    x = 23,863,546,077.08/235,934.40
  6. Step 6: Final answer
    x = 101,144.84

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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.