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Finding the Fourth Proportional to 223,756.16, 335,645.31 and 63,855.67

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Solution

The fourth proportional to 223,756.16, 335,645.31 and 63,855.67 is: 95,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,756.16 : 335,645.31 = 63,855.67 : x
  2. Step 2: Convert to fraction form
    223,756.16/335,645.31 = 63,855.67/x
  3. Step 3: Cross multiply
    223,756.16x = 335,645.31 × 63,855.67
  4. Step 4: Simplify right side
    223,756.16x = 21,432,854,998.63
  5. Step 5: Solve for x
    x = 21,432,854,998.63/223,756.16
  6. Step 6: Final answer
    x = 95,786.66

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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.