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Finding the Fourth Proportional to 223,945.71, 309,045.06 and 123,343.71

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Solution

The fourth proportional to 223,945.71, 309,045.06 and 123,343.71 is: 170,214.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,945.71 : 309,045.06 = 123,343.71 : x
  2. Step 2: Convert to fraction form
    223,945.71/309,045.06 = 123,343.71/x
  3. Step 3: Cross multiply
    223,945.71x = 309,045.06 × 123,343.71
  4. Step 4: Simplify right side
    223,945.71x = 38,118,764,257.57
  5. Step 5: Solve for x
    x = 38,118,764,257.57/223,945.71
  6. Step 6: Final answer
    x = 170,214.31

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