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Finding the Fourth Proportional to 168,611.84, 232,792.81 and 108,208.52

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Solution

The fourth proportional to 168,611.84, 232,792.81 and 108,208.52 is: 149,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,611.84 : 232,792.81 = 108,208.52 : x
  2. Step 2: Convert to fraction form
    168,611.84/232,792.81 = 108,208.52/x
  3. Step 3: Cross multiply
    168,611.84x = 232,792.81 × 108,208.52
  4. Step 4: Simplify right side
    168,611.84x = 25,190,164,002.26
  5. Step 5: Solve for x
    x = 25,190,164,002.26/168,611.84
  6. Step 6: Final answer
    x = 149,397.37

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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.