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Finding the Fourth Proportional to 226,029.16, 311,924.20 and 124,064.16

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Solution

The fourth proportional to 226,029.16, 311,924.20 and 124,064.16 is: 171,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,029.16 : 311,924.20 = 124,064.16 : x
  2. Step 2: Convert to fraction form
    226,029.16/311,924.20 = 124,064.16/x
  3. Step 3: Cross multiply
    226,029.16x = 311,924.20 × 124,064.16
  4. Step 4: Simplify right side
    226,029.16x = 38,698,613,856.67
  5. Step 5: Solve for x
    x = 38,698,613,856.67/226,029.16
  6. Step 6: Final answer
    x = 171,210.71

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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.