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Finding the Fourth Proportional to 235,553.80, 353,322.30 and 67,074.94

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Solution

The fourth proportional to 235,553.80, 353,322.30 and 67,074.94 is: 100,610.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,553.80 : 353,322.30 = 67,074.94 : x
  2. Step 2: Convert to fraction form
    235,553.80/353,322.30 = 67,074.94/x
  3. Step 3: Cross multiply
    235,553.80x = 353,322.30 × 67,074.94
  4. Step 4: Simplify right side
    235,553.80x = 23,699,072,073.16
  5. Step 5: Solve for x
    x = 23,699,072,073.16/235,553.80
  6. Step 6: Final answer
    x = 100,610.02

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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.