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Finding the Fourth Proportional to 223,859.13, 335,825.13 and 66,103.53

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Solution

The fourth proportional to 223,859.13, 335,825.13 and 66,103.53 is: 99,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,859.13 : 335,825.13 = 66,103.53 : x
  2. Step 2: Convert to fraction form
    223,859.13/335,825.13 = 66,103.53/x
  3. Step 3: Cross multiply
    223,859.13x = 335,825.13 × 66,103.53
  4. Step 4: Simplify right side
    223,859.13x = 22,199,226,555.71
  5. Step 5: Solve for x
    x = 22,199,226,555.71/223,859.13
  6. Step 6: Final answer
    x = 99,166.05

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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.