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Finding the Fourth Proportional to 170,581.82, 255,340.26 and 125,653.82

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Solution

The fourth proportional to 170,581.82, 255,340.26 and 125,653.82 is: 188,088.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,581.82 : 255,340.26 = 125,653.82 : x
  2. Step 2: Convert to fraction form
    170,581.82/255,340.26 = 125,653.82/x
  3. Step 3: Cross multiply
    170,581.82x = 255,340.26 × 125,653.82
  4. Step 4: Simplify right side
    170,581.82x = 32,084,479,707.14
  5. Step 5: Solve for x
    x = 32,084,479,707.14/170,581.82
  6. Step 6: Final answer
    x = 188,088.51

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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.