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Finding the Fourth Proportional to 65,181.70, 97,772.55 and 60,775.30

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Solution

The fourth proportional to 65,181.70, 97,772.55 and 60,775.30 is: 91,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,181.70 : 97,772.55 = 60,775.30 : x
  2. Step 2: Convert to fraction form
    65,181.70/97,772.55 = 60,775.30/x
  3. Step 3: Cross multiply
    65,181.70x = 97,772.55 × 60,775.30
  4. Step 4: Simplify right side
    65,181.70x = 5,942,156,058.02
  5. Step 5: Solve for x
    x = 5,942,156,058.02/65,181.70
  6. Step 6: Final answer
    x = 91,162.95

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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.