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Finding the Fourth Proportional to 168,058.25, 231,925.25 and 92,611.61

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Solution

The fourth proportional to 168,058.25, 231,925.25 and 92,611.61 is: 127,806.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,058.25 : 231,925.25 = 92,611.61 : x
  2. Step 2: Convert to fraction form
    168,058.25/231,925.25 = 92,611.61/x
  3. Step 3: Cross multiply
    168,058.25x = 231,925.25 × 92,611.61
  4. Step 4: Simplify right side
    168,058.25x = 21,478,970,802.15
  5. Step 5: Solve for x
    x = 21,478,970,802.15/168,058.25
  6. Step 6: Final answer
    x = 127,806.70

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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.