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Finding the Fourth Proportional to 223,473.39, 308,393.25 and 122,871.39

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Solution

The fourth proportional to 223,473.39, 308,393.25 and 122,871.39 is: 169,562.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,473.39 : 308,393.25 = 122,871.39 : x
  2. Step 2: Convert to fraction form
    223,473.39/308,393.25 = 122,871.39/x
  3. Step 3: Cross multiply
    223,473.39x = 308,393.25 × 122,871.39
  4. Step 4: Simplify right side
    223,473.39x = 37,892,707,294.12
  5. Step 5: Solve for x
    x = 37,892,707,294.12/223,473.39
  6. Step 6: Final answer
    x = 169,562.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.