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Finding the Fourth Proportional to 342,556.41, 513,797.66 and 89,862.22

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Solution

The fourth proportional to 342,556.41, 513,797.66 and 89,862.22 is: 134,783.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,556.41 : 513,797.66 = 89,862.22 : x
  2. Step 2: Convert to fraction form
    342,556.41/513,797.66 = 89,862.22/x
  3. Step 3: Cross multiply
    342,556.41x = 513,797.66 × 89,862.22
  4. Step 4: Simplify right side
    342,556.41x = 46,170,998,358.41
  5. Step 5: Solve for x
    x = 46,170,998,358.41/342,556.41
  6. Step 6: Final answer
    x = 134,783.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.