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Finding the Fourth Proportional to 255,959.16, 353,221.22 and 141,238.84

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Solution

The fourth proportional to 255,959.16, 353,221.22 and 141,238.84 is: 194,908.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,959.16 : 353,221.22 = 141,238.84 : x
  2. Step 2: Convert to fraction form
    255,959.16/353,221.22 = 141,238.84/x
  3. Step 3: Cross multiply
    255,959.16x = 353,221.22 × 141,238.84
  4. Step 4: Simplify right side
    255,959.16x = 49,888,555,376.18
  5. Step 5: Solve for x
    x = 49,888,555,376.18/255,959.16
  6. Step 6: Final answer
    x = 194,908.26

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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.