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Finding the Fourth Proportional to 114,210.52, 171,217.24 and 54,964.68

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Solution

The fourth proportional to 114,210.52, 171,217.24 and 54,964.68 is: 82,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,210.52 : 171,217.24 = 54,964.68 : x
  2. Step 2: Convert to fraction form
    114,210.52/171,217.24 = 54,964.68/x
  3. Step 3: Cross multiply
    114,210.52x = 171,217.24 × 54,964.68
  4. Step 4: Simplify right side
    114,210.52x = 9,410,900,807.08
  5. Step 5: Solve for x
    x = 9,410,900,807.08/114,210.52
  6. Step 6: Final answer
    x = 82,399.60

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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.