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Finding the Fourth Proportional to 68,261.58, 102,487.95 and 35,005.14

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Solution

The fourth proportional to 68,261.58, 102,487.95 and 35,005.14 is: 52,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261.58 : 102,487.95 = 35,005.14 : x
  2. Step 2: Convert to fraction form
    68,261.58/102,487.95 = 35,005.14/x
  3. Step 3: Cross multiply
    68,261.58x = 102,487.95 × 35,005.14
  4. Step 4: Simplify right side
    68,261.58x = 3,587,605,038.06
  5. Step 5: Solve for x
    x = 3,587,605,038.06/68,261.58
  6. Step 6: Final answer
    x = 52,556.72

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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.