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Finding the Fourth Proportional to 223,509.99, 335,264.96 and 65,738.46

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Solution

The fourth proportional to 223,509.99, 335,264.96 and 65,738.46 is: 98,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,509.99 : 335,264.96 = 65,738.46 : x
  2. Step 2: Convert to fraction form
    223,509.99/335,264.96 = 65,738.46/x
  3. Step 3: Cross multiply
    223,509.99x = 335,264.96 × 65,738.46
  4. Step 4: Simplify right side
    223,509.99x = 22,039,801,833.67
  5. Step 5: Solve for x
    x = 22,039,801,833.67/223,509.99
  6. Step 6: Final answer
    x = 98,607.68

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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.