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Finding the Fourth Proportional to 265,859.56, 397,852.56 and 166,066.75

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Solution

The fourth proportional to 265,859.56, 397,852.56 and 166,066.75 is: 248,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,859.56 : 397,852.56 = 166,066.75 : x
  2. Step 2: Convert to fraction form
    265,859.56/397,852.56 = 166,066.75/x
  3. Step 3: Cross multiply
    265,859.56x = 397,852.56 × 166,066.75
  4. Step 4: Simplify right side
    265,859.56x = 66,070,081,618.38
  5. Step 5: Solve for x
    x = 66,070,081,618.38/265,859.56
  6. Step 6: Final answer
    x = 248,514.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.