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Finding the Fourth Proportional to 189,826.80, 284,783.40 and 110,900.40

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Solution

The fourth proportional to 189,826.80, 284,783.40 and 110,900.40 is: 166,375.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,826.80 : 284,783.40 = 110,900.40 : x
  2. Step 2: Convert to fraction form
    189,826.80/284,783.40 = 110,900.40/x
  3. Step 3: Cross multiply
    189,826.80x = 284,783.40 × 110,900.40
  4. Step 4: Simplify right side
    189,826.80x = 31,582,592,973.36
  5. Step 5: Solve for x
    x = 31,582,592,973.36/189,826.80
  6. Step 6: Final answer
    x = 166,375.84

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1.5x scale

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.