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Finding the Fourth Proportional to 254,083.97, 350,636.38 and 139,363.55

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Solution

The fourth proportional to 254,083.97, 350,636.38 and 139,363.55 is: 192,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,083.97 : 350,636.38 = 139,363.55 : x
  2. Step 2: Convert to fraction form
    254,083.97/350,636.38 = 139,363.55/x
  3. Step 3: Cross multiply
    254,083.97x = 350,636.38 × 139,363.55
  4. Step 4: Simplify right side
    254,083.97x = 48,865,928,574.36
  5. Step 5: Solve for x
    x = 48,865,928,574.36/254,083.97
  6. Step 6: Final answer
    x = 192,321.96

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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.