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Finding the Fourth Proportional to 73,254.20, 109,881.29 and 17,850.20

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Solution

The fourth proportional to 73,254.20, 109,881.29 and 17,850.20 is: 26,775.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,254.20 : 109,881.29 = 17,850.20 : x
  2. Step 2: Convert to fraction form
    73,254.20/109,881.29 = 17,850.20/x
  3. Step 3: Cross multiply
    73,254.20x = 109,881.29 × 17,850.20
  4. Step 4: Simplify right side
    73,254.20x = 1,961,402,364.10
  5. Step 5: Solve for x
    x = 1,961,402,364.10/73,254.20
  6. Step 6: Final answer
    x = 26,775.29

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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.