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Finding the Fourth Proportional to 255,716.16, 352,891.07 and 140,995.02

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Solution

The fourth proportional to 255,716.16, 352,891.07 and 140,995.02 is: 194,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,716.16 : 352,891.07 = 140,995.02 : x
  2. Step 2: Convert to fraction form
    255,716.16/352,891.07 = 140,995.02/x
  3. Step 3: Cross multiply
    255,716.16x = 352,891.07 × 140,995.02
  4. Step 4: Simplify right side
    255,716.16x = 49,755,883,472.47
  5. Step 5: Solve for x
    x = 49,755,883,472.47/255,716.16
  6. Step 6: Final answer
    x = 194,574.65

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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.