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Finding the Fourth Proportional to 73,887.39, 110,780.43 and 26,501.48

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Solution

The fourth proportional to 73,887.39, 110,780.43 and 26,501.48 is: 39,734.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,887.39 : 110,780.43 = 26,501.48 : x
  2. Step 2: Convert to fraction form
    73,887.39/110,780.43 = 26,501.48/x
  3. Step 3: Cross multiply
    73,887.39x = 110,780.43 × 26,501.48
  4. Step 4: Simplify right side
    73,887.39x = 2,935,845,112.18
  5. Step 5: Solve for x
    x = 2,935,845,112.18/73,887.39
  6. Step 6: Final answer
    x = 39,734.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.