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Finding the Fourth Proportional to 235,559.67, 353,341.58 and 67,079.86

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Solution

The fourth proportional to 235,559.67, 353,341.58 and 67,079.86 is: 100,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,559.67 : 353,341.58 = 67,079.86 : x
  2. Step 2: Convert to fraction form
    235,559.67/353,341.58 = 67,079.86/x
  3. Step 3: Cross multiply
    235,559.67x = 353,341.58 × 67,079.86
  4. Step 4: Simplify right side
    235,559.67x = 23,702,101,951.87
  5. Step 5: Solve for x
    x = 23,702,101,951.87/235,559.67
  6. Step 6: Final answer
    x = 100,620.37

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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.