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Finding the Fourth Proportional to 247,556.79, 341,636.51 and 140,124.51

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Solution

The fourth proportional to 247,556.79, 341,636.51 and 140,124.51 is: 193,376.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,556.79 : 341,636.51 = 140,124.51 : x
  2. Step 2: Convert to fraction form
    247,556.79/341,636.51 = 140,124.51/x
  3. Step 3: Cross multiply
    247,556.79x = 341,636.51 × 140,124.51
  4. Step 4: Simplify right side
    247,556.79x = 47,871,647,861.24
  5. Step 5: Solve for x
    x = 47,871,647,861.24/247,556.79
  6. Step 6: Final answer
    x = 193,376.43

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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.