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Finding the Fourth Proportional to 189,954.92, 262,152.03 and 108,285.12

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Solution

The fourth proportional to 189,954.92, 262,152.03 and 108,285.12 is: 149,441.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,954.92 : 262,152.03 = 108,285.12 : x
  2. Step 2: Convert to fraction form
    189,954.92/262,152.03 = 108,285.12/x
  3. Step 3: Cross multiply
    189,954.92x = 262,152.03 × 108,285.12
  4. Step 4: Simplify right side
    189,954.92x = 28,387,163,485.37
  5. Step 5: Solve for x
    x = 28,387,163,485.37/189,954.92
  6. Step 6: Final answer
    x = 149,441.58

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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.