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Finding the Fourth Proportional to 245,447.62, 367,726.47 and 112,439.14

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Solution

The fourth proportional to 245,447.62, 367,726.47 and 112,439.14 is: 168,454.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,447.62 : 367,726.47 = 112,439.14 : x
  2. Step 2: Convert to fraction form
    245,447.62/367,726.47 = 112,439.14/x
  3. Step 3: Cross multiply
    245,447.62x = 367,726.47 × 112,439.14
  4. Step 4: Simplify right side
    245,447.62x = 41,346,848,042.04
  5. Step 5: Solve for x
    x = 41,346,848,042.04/245,447.62
  6. Step 6: Final answer
    x = 168,454.87

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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.