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Finding the Fourth Proportional to 226,369.77, 312,398.16 and 124,404.54

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Solution

The fourth proportional to 226,369.77, 312,398.16 and 124,404.54 is: 171,682.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,369.77 : 312,398.16 = 124,404.54 : x
  2. Step 2: Convert to fraction form
    226,369.77/312,398.16 = 124,404.54/x
  3. Step 3: Cross multiply
    226,369.77x = 312,398.16 × 124,404.54
  4. Step 4: Simplify right side
    226,369.77x = 38,863,749,391.65
  5. Step 5: Solve for x
    x = 38,863,749,391.65/226,369.77
  6. Step 6: Final answer
    x = 171,682.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.