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Finding the Fourth Proportional to 226,820.42, 313,009.71 and 124,843.70

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Solution

The fourth proportional to 226,820.42, 313,009.71 and 124,843.70 is: 172,282.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,820.42 : 313,009.71 = 124,843.70 : x
  2. Step 2: Convert to fraction form
    226,820.42/313,009.71 = 124,843.70/x
  3. Step 3: Cross multiply
    226,820.42x = 313,009.71 × 124,843.70
  4. Step 4: Simplify right side
    226,820.42x = 39,077,288,455.17
  5. Step 5: Solve for x
    x = 39,077,288,455.17/226,820.42
  6. Step 6: Final answer
    x = 172,282.94

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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.