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Finding the Fourth Proportional to 223,837.80, 335,756.70 and 76,093.80

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Solution

The fourth proportional to 223,837.80, 335,756.70 and 76,093.80 is: 114,140.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,837.80 : 335,756.70 = 76,093.80 : x
  2. Step 2: Convert to fraction form
    223,837.80/335,756.70 = 76,093.80/x
  3. Step 3: Cross multiply
    223,837.80x = 335,756.70 × 76,093.80
  4. Step 4: Simplify right side
    223,837.80x = 25,549,003,178.46
  5. Step 5: Solve for x
    x = 25,549,003,178.46/223,837.80
  6. Step 6: Final answer
    x = 114,140.70

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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.