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Finding the Fourth Proportional to 223,604.60, 308,557.50 and 123,009.08

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Solution

The fourth proportional to 223,604.60, 308,557.50 and 123,009.08 is: 169,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,604.60 : 308,557.50 = 123,009.08 : x
  2. Step 2: Convert to fraction form
    223,604.60/308,557.50 = 123,009.08/x
  3. Step 3: Cross multiply
    223,604.60x = 308,557.50 × 123,009.08
  4. Step 4: Simplify right side
    223,604.60x = 37,955,374,202.10
  5. Step 5: Solve for x
    x = 37,955,374,202.10/223,604.60
  6. Step 6: Final answer
    x = 169,743.26

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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.