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Finding the Fourth Proportional to 223,846.74, 308,899.17 and 123,238.26

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Solution

The fourth proportional to 223,846.74, 308,899.17 and 123,238.26 is: 170,063.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,846.74 : 308,899.17 = 123,238.26 : x
  2. Step 2: Convert to fraction form
    223,846.74/308,899.17 = 123,238.26/x
  3. Step 3: Cross multiply
    223,846.74x = 308,899.17 × 123,238.26
  4. Step 4: Simplify right side
    223,846.74x = 38,068,196,226.24
  5. Step 5: Solve for x
    x = 38,068,196,226.24/223,846.74
  6. Step 6: Final answer
    x = 170,063.66

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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.