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Finding the Fourth Proportional to 235,137.81, 324,269.15 and 181,337.61

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Solution

The fourth proportional to 235,137.81, 324,269.15 and 181,337.61 is: 250,075.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,137.81 : 324,269.15 = 181,337.61 : x
  2. Step 2: Convert to fraction form
    235,137.81/324,269.15 = 181,337.61/x
  3. Step 3: Cross multiply
    235,137.81x = 324,269.15 × 181,337.61
  4. Step 4: Simplify right side
    235,137.81x = 58,802,191,751.04
  5. Step 5: Solve for x
    x = 58,802,191,751.04/235,137.81
  6. Step 6: Final answer
    x = 250,075.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.