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Finding the Fourth Proportional to 133,051.60, 199,577.40 and 61,974.10

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Solution

The fourth proportional to 133,051.60, 199,577.40 and 61,974.10 is: 92,961.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,051.60 : 199,577.40 = 61,974.10 : x
  2. Step 2: Convert to fraction form
    133,051.60/199,577.40 = 61,974.10/x
  3. Step 3: Cross multiply
    133,051.60x = 199,577.40 × 61,974.10
  4. Step 4: Simplify right side
    133,051.60x = 12,368,629,745.34
  5. Step 5: Solve for x
    x = 12,368,629,745.34/133,051.60
  6. Step 6: Final answer
    x = 92,961.15

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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.