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Finding the Fourth Proportional to 259,227.24, 357,733.62 and 139,995.24

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Solution

The fourth proportional to 259,227.24, 357,733.62 and 139,995.24 is: 193,193.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,227.24 : 357,733.62 = 139,995.24 : x
  2. Step 2: Convert to fraction form
    259,227.24/357,733.62 = 139,995.24/x
  3. Step 3: Cross multiply
    259,227.24x = 357,733.62 × 139,995.24
  4. Step 4: Simplify right side
    259,227.24x = 50,081,003,987.97
  5. Step 5: Solve for x
    x = 50,081,003,987.97/259,227.24
  6. Step 6: Final answer
    x = 193,193.45

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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.