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Finding the Fourth Proportional to 243,251.80, 364,549.65 and 163,061.80

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Solution

The fourth proportional to 243,251.80, 364,549.65 and 163,061.80 is: 244,372.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,251.80 : 364,549.65 = 163,061.80 : x
  2. Step 2: Convert to fraction form
    243,251.80/364,549.65 = 163,061.80/x
  3. Step 3: Cross multiply
    243,251.80x = 364,549.65 × 163,061.80
  4. Step 4: Simplify right side
    243,251.80x = 59,444,122,118.37
  5. Step 5: Solve for x
    x = 59,444,122,118.37/243,251.80
  6. Step 6: Final answer
    x = 244,372.79

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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.