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Finding the Fourth Proportional to 235,524.08, 353,251.28 and 77,753.90

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Solution

The fourth proportional to 235,524.08, 353,251.28 and 77,753.90 is: 116,619.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,524.08 : 353,251.28 = 77,753.90 : x
  2. Step 2: Convert to fraction form
    235,524.08/353,251.28 = 77,753.90/x
  3. Step 3: Cross multiply
    235,524.08x = 353,251.28 × 77,753.90
  4. Step 4: Simplify right side
    235,524.08x = 27,466,664,699.99
  5. Step 5: Solve for x
    x = 27,466,664,699.99/235,524.08
  6. Step 6: Final answer
    x = 116,619.35

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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.