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Finding the Fourth Proportional to 223,608.74, 335,415.45 and 65,840.18

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Solution

The fourth proportional to 223,608.74, 335,415.45 and 65,840.18 is: 98,760.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,608.74 : 335,415.45 = 65,840.18 : x
  2. Step 2: Convert to fraction form
    223,608.74/335,415.45 = 65,840.18/x
  3. Step 3: Cross multiply
    223,608.74x = 335,415.45 × 65,840.18
  4. Step 4: Simplify right side
    223,608.74x = 22,083,813,602.78
  5. Step 5: Solve for x
    x = 22,083,813,602.78/223,608.74
  6. Step 6: Final answer
    x = 98,760.96

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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.