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Finding the Fourth Proportional to 247,131.37, 341,041.44 and 133,954.12

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Solution

The fourth proportional to 247,131.37, 341,041.44 and 133,954.12 is: 184,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,131.37 : 341,041.44 = 133,954.12 : x
  2. Step 2: Convert to fraction form
    247,131.37/341,041.44 = 133,954.12/x
  3. Step 3: Cross multiply
    247,131.37x = 341,041.44 × 133,954.12
  4. Step 4: Simplify right side
    247,131.37x = 45,683,905,978.73
  5. Step 5: Solve for x
    x = 45,683,905,978.73/247,131.37
  6. Step 6: Final answer
    x = 184,856.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.