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Finding the Fourth Proportional to 189,192.40, 283,644.60 and 95,765.20

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Solution

The fourth proportional to 189,192.40, 283,644.60 and 95,765.20 is: 143,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,192.40 : 283,644.60 = 95,765.20 : x
  2. Step 2: Convert to fraction form
    189,192.40/283,644.60 = 95,765.20/x
  3. Step 3: Cross multiply
    189,192.40x = 283,644.60 × 95,765.20
  4. Step 4: Simplify right side
    189,192.40x = 27,163,281,847.92
  5. Step 5: Solve for x
    x = 27,163,281,847.92/189,192.40
  6. Step 6: Final answer
    x = 143,574.91

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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.