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Finding the Fourth Proportional to 188,886.18, 260,663.22 and 104,003.50

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Solution

The fourth proportional to 188,886.18, 260,663.22 and 104,003.50 is: 143,524.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,886.18 : 260,663.22 = 104,003.50 : x
  2. Step 2: Convert to fraction form
    188,886.18/260,663.22 = 104,003.50/x
  3. Step 3: Cross multiply
    188,886.18x = 260,663.22 × 104,003.50
  4. Step 4: Simplify right side
    188,886.18x = 27,109,887,201.27
  5. Step 5: Solve for x
    x = 27,109,887,201.27/188,886.18
  6. Step 6: Final answer
    x = 143,524.99

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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.