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Finding the Fourth Proportional to 223,935.40, 335,825.34 and 66,121.48

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Solution

The fourth proportional to 223,935.40, 335,825.34 and 66,121.48 is: 99,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,935.40 : 335,825.34 = 66,121.48 : x
  2. Step 2: Convert to fraction form
    223,935.40/335,825.34 = 66,121.48/x
  3. Step 3: Cross multiply
    223,935.40x = 335,825.34 × 66,121.48
  4. Step 4: Simplify right side
    223,935.40x = 22,205,268,502.30
  5. Step 5: Solve for x
    x = 22,205,268,502.30/223,935.40
  6. Step 6: Final answer
    x = 99,159.26

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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.