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Finding the Fourth Proportional to 225,604.08, 311,317.16 and 123,613.34

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Solution

The fourth proportional to 225,604.08, 311,317.16 and 123,613.34 is: 170,577.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,604.08 : 311,317.16 = 123,613.34 : x
  2. Step 2: Convert to fraction form
    225,604.08/311,317.16 = 123,613.34/x
  3. Step 3: Cross multiply
    225,604.08x = 311,317.16 × 123,613.34
  4. Step 4: Simplify right side
    225,604.08x = 38,482,951,772.26
  5. Step 5: Solve for x
    x = 38,482,951,772.26/225,604.08
  6. Step 6: Final answer
    x = 170,577.38

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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.