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Finding the Fourth Proportional to 223,726.56, 335,489.36 and 65,899.68

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Solution

The fourth proportional to 223,726.56, 335,489.36 and 65,899.68 is: 98,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,726.56 : 335,489.36 = 65,899.68 : x
  2. Step 2: Convert to fraction form
    223,726.56/335,489.36 = 65,899.68/x
  3. Step 3: Cross multiply
    223,726.56x = 335,489.36 × 65,899.68
  4. Step 4: Simplify right side
    223,726.56x = 22,108,641,467.40
  5. Step 5: Solve for x
    x = 22,108,641,467.40/223,726.56
  6. Step 6: Final answer
    x = 98,819.92

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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.