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Finding the Fourth Proportional to 185,674.48, 256,137.60 and 125,168.56

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Solution

The fourth proportional to 185,674.48, 256,137.60 and 125,168.56 is: 172,669.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,674.48 : 256,137.60 = 125,168.56 : x
  2. Step 2: Convert to fraction form
    185,674.48/256,137.60 = 125,168.56/x
  3. Step 3: Cross multiply
    185,674.48x = 256,137.60 × 125,168.56
  4. Step 4: Simplify right side
    185,674.48x = 32,060,374,553.86
  5. Step 5: Solve for x
    x = 32,060,374,553.86/185,674.48
  6. Step 6: Final answer
    x = 172,669.80

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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.