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Finding the Fourth Proportional to 188,227.40, 259,754.24 and 103,349.93

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Solution

The fourth proportional to 188,227.40, 259,754.24 and 103,349.93 is: 142,623.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,227.40 : 259,754.24 = 103,349.93 : x
  2. Step 2: Convert to fraction form
    188,227.40/259,754.24 = 103,349.93/x
  3. Step 3: Cross multiply
    188,227.40x = 259,754.24 × 103,349.93
  4. Step 4: Simplify right side
    188,227.40x = 26,845,581,480.81
  5. Step 5: Solve for x
    x = 26,845,581,480.81/188,227.40
  6. Step 6: Final answer
    x = 142,623.14

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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.