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Finding the Fourth Proportional to 226,019.63, 311,921.67 and 125,417.63

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Solution

The fourth proportional to 226,019.63, 311,921.67 and 125,417.63 is: 173,084.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,019.63 : 311,921.67 = 125,417.63 : x
  2. Step 2: Convert to fraction form
    226,019.63/311,921.67 = 125,417.63/x
  3. Step 3: Cross multiply
    226,019.63x = 311,921.67 × 125,417.63
  4. Step 4: Simplify right side
    226,019.63x = 39,120,475,037.43
  5. Step 5: Solve for x
    x = 39,120,475,037.43/226,019.63
  6. Step 6: Final answer
    x = 173,084.42

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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.