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Finding the Fourth Proportional to 259,465.68, 358,062.48 and 140,233.68

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Solution

The fourth proportional to 259,465.68, 358,062.48 and 140,233.68 is: 193,522.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,465.68 : 358,062.48 = 140,233.68 : x
  2. Step 2: Convert to fraction form
    259,465.68/358,062.48 = 140,233.68/x
  3. Step 3: Cross multiply
    259,465.68x = 358,062.48 × 140,233.68
  4. Step 4: Simplify right side
    259,465.68x = 50,212,419,240.33
  5. Step 5: Solve for x
    x = 50,212,419,240.33/259,465.68
  6. Step 6: Final answer
    x = 193,522.39

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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.