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Finding the Fourth Proportional to 68,066.95, 102,101.36 and 25,949.28

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Solution

The fourth proportional to 68,066.95, 102,101.36 and 25,949.28 is: 38,924.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,066.95 : 102,101.36 = 25,949.28 : x
  2. Step 2: Convert to fraction form
    68,066.95/102,101.36 = 25,949.28/x
  3. Step 3: Cross multiply
    68,066.95x = 102,101.36 × 25,949.28
  4. Step 4: Simplify right side
    68,066.95x = 2,649,456,779.02
  5. Step 5: Solve for x
    x = 2,649,456,779.02/68,066.95
  6. Step 6: Final answer
    x = 38,924.28

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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.