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Finding the Fourth Proportional to 245,816.20, 368,141.10 and 151,337.80

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Solution

The fourth proportional to 245,816.20, 368,141.10 and 151,337.80 is: 226,647.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,816.20 : 368,141.10 = 151,337.80 : x
  2. Step 2: Convert to fraction form
    245,816.20/368,141.10 = 151,337.80/x
  3. Step 3: Cross multiply
    245,816.20x = 368,141.10 × 151,337.80
  4. Step 4: Simplify right side
    245,816.20x = 55,713,664,163.58
  5. Step 5: Solve for x
    x = 55,713,664,163.58/245,816.20
  6. Step 6: Final answer
    x = 226,647.65

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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.