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Finding the Fourth Proportional to 259,656.26, 358,326.70 and 140,424.26

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Solution

The fourth proportional to 259,656.26, 358,326.70 and 140,424.26 is: 193,786.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,656.26 : 358,326.70 = 140,424.26 : x
  2. Step 2: Convert to fraction form
    259,656.26/358,326.70 = 140,424.26/x
  3. Step 3: Cross multiply
    259,656.26x = 358,326.70 × 140,424.26
  4. Step 4: Simplify right side
    259,656.26x = 50,317,761,685.74
  5. Step 5: Solve for x
    x = 50,317,761,685.74/259,656.26
  6. Step 6: Final answer
    x = 193,786.05

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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.