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Finding the Fourth Proportional to 223,791.19, 335,686.78 and 76,047.19

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Solution

The fourth proportional to 223,791.19, 335,686.78 and 76,047.19 is: 114,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,791.19 : 335,686.78 = 76,047.19 : x
  2. Step 2: Convert to fraction form
    223,791.19/335,686.78 = 76,047.19/x
  3. Step 3: Cross multiply
    223,791.19x = 335,686.78 × 76,047.19
  4. Step 4: Simplify right side
    223,791.19x = 25,528,035,594.99
  5. Step 5: Solve for x
    x = 25,528,035,594.99/223,791.19
  6. Step 6: Final answer
    x = 114,070.78

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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.