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Finding the Fourth Proportional to 185,346.56, 255,777.42 and 100,463.42

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Solution

The fourth proportional to 185,346.56, 255,777.42 and 100,463.42 is: 138,639.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,346.56 : 255,777.42 = 100,463.42 : x
  2. Step 2: Convert to fraction form
    185,346.56/255,777.42 = 100,463.42/x
  3. Step 3: Cross multiply
    185,346.56x = 255,777.42 × 100,463.42
  4. Step 4: Simplify right side
    185,346.56x = 25,696,274,371.98
  5. Step 5: Solve for x
    x = 25,696,274,371.98/185,346.56
  6. Step 6: Final answer
    x = 138,639.07

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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.