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Finding the Fourth Proportional to 250,338.70, 375,507.96 and 166,263

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Solution

The fourth proportional to 250,338.70, 375,507.96 and 166,263 is: 249,394.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,338.70 : 375,507.96 = 166,263 : x
  2. Step 2: Convert to fraction form
    250,338.70/375,507.96 = 166,263/x
  3. Step 3: Cross multiply
    250,338.70x = 375,507.96 × 166,263
  4. Step 4: Simplify right side
    250,338.70x = 62,433,079,953.48
  5. Step 5: Solve for x
    x = 62,433,079,953.48/250,338.70
  6. Step 6: Final answer
    x = 249,394.44

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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.