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Finding the Fourth Proportional to 133,921.54, 200,876.55 and 40,424.50

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Solution

The fourth proportional to 133,921.54, 200,876.55 and 40,424.50 is: 60,635.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,921.54 : 200,876.55 = 40,424.50 : x
  2. Step 2: Convert to fraction form
    133,921.54/200,876.55 = 40,424.50/x
  3. Step 3: Cross multiply
    133,921.54x = 200,876.55 × 40,424.50
  4. Step 4: Simplify right side
    133,921.54x = 8,120,334,095.48
  5. Step 5: Solve for x
    x = 8,120,334,095.48/133,921.54
  6. Step 6: Final answer
    x = 60,635.01

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.