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Finding the Fourth Proportional to 216,041.70, 324,062.55 and 181,827.30

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Solution

The fourth proportional to 216,041.70, 324,062.55 and 181,827.30 is: 272,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,041.70 : 324,062.55 = 181,827.30 : x
  2. Step 2: Convert to fraction form
    216,041.70/324,062.55 = 181,827.30/x
  3. Step 3: Cross multiply
    216,041.70x = 324,062.55 × 181,827.30
  4. Step 4: Simplify right side
    216,041.70x = 58,923,418,497.62
  5. Step 5: Solve for x
    x = 58,923,418,497.62/216,041.70
  6. Step 6: Final answer
    x = 272,740.95

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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.