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Finding the Fourth Proportional to 189,251.81, 283,866.57 and 70,913.24

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Solution

The fourth proportional to 189,251.81, 283,866.57 and 70,913.24 is: 106,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,251.81 : 283,866.57 = 70,913.24 : x
  2. Step 2: Convert to fraction form
    189,251.81/283,866.57 = 70,913.24/x
  3. Step 3: Cross multiply
    189,251.81x = 283,866.57 × 70,913.24
  4. Step 4: Simplify right side
    189,251.81x = 20,129,896,787.05
  5. Step 5: Solve for x
    x = 20,129,896,787.05/189,251.81
  6. Step 6: Final answer
    x = 106,365.68

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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.