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Finding the Fourth Proportional to 226,917.16, 313,143.08 and 124,940.54

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Solution

The fourth proportional to 226,917.16, 313,143.08 and 124,940.54 is: 172,416.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,917.16 : 313,143.08 = 124,940.54 : x
  2. Step 2: Convert to fraction form
    226,917.16/313,143.08 = 124,940.54/x
  3. Step 3: Cross multiply
    226,917.16x = 313,143.08 × 124,940.54
  4. Step 4: Simplify right side
    226,917.16x = 39,124,264,259.10
  5. Step 5: Solve for x
    x = 39,124,264,259.10/226,917.16
  6. Step 6: Final answer
    x = 172,416.51

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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.