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Finding the Fourth Proportional to 189,178.80, 283,379.40 and 95,737.20

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Solution

The fourth proportional to 189,178.80, 283,379.40 and 95,737.20 is: 143,409.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,178.80 : 283,379.40 = 95,737.20 : x
  2. Step 2: Convert to fraction form
    189,178.80/283,379.40 = 95,737.20/x
  3. Step 3: Cross multiply
    189,178.80x = 283,379.40 × 95,737.20
  4. Step 4: Simplify right side
    189,178.80x = 27,129,950,293.68
  5. Step 5: Solve for x
    x = 27,129,950,293.68/189,178.80
  6. Step 6: Final answer
    x = 143,409.04

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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.