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Finding the Fourth Proportional to 223,859.56, 335,823.90 and 76,081

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Solution

The fourth proportional to 223,859.56, 335,823.90 and 76,081 is: 114,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,859.56 : 335,823.90 = 76,081 : x
  2. Step 2: Convert to fraction form
    223,859.56/335,823.90 = 76,081/x
  3. Step 3: Cross multiply
    223,859.56x = 335,823.90 × 76,081
  4. Step 4: Simplify right side
    223,859.56x = 25,549,818,135.90
  5. Step 5: Solve for x
    x = 25,549,818,135.90/223,859.56
  6. Step 6: Final answer
    x = 114,133.25

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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.