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Finding the Fourth Proportional to 185,757.52, 256,346.34 and 105,200.73

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Solution

The fourth proportional to 185,757.52, 256,346.34 and 105,200.73 is: 145,177.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,757.52 : 256,346.34 = 105,200.73 : x
  2. Step 2: Convert to fraction form
    185,757.52/256,346.34 = 105,200.73/x
  3. Step 3: Cross multiply
    185,757.52x = 256,346.34 × 105,200.73
  4. Step 4: Simplify right side
    185,757.52x = 26,967,822,100.83
  5. Step 5: Solve for x
    x = 26,967,822,100.83/185,757.52
  6. Step 6: Final answer
    x = 145,177.55

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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.