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Finding the Fourth Proportional to 133,181.01, 199,869.80 and 63,060.21

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Solution

The fourth proportional to 133,181.01, 199,869.80 and 63,060.21 is: 94,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,181.01 : 199,869.80 = 63,060.21 : x
  2. Step 2: Convert to fraction form
    133,181.01/199,869.80 = 63,060.21/x
  3. Step 3: Cross multiply
    133,181.01x = 199,869.80 × 63,060.21
  4. Step 4: Simplify right side
    133,181.01x = 12,603,831,245.36
  5. Step 5: Solve for x
    x = 12,603,831,245.36/133,181.01
  6. Step 6: Final answer
    x = 94,636.85

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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.