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Finding the Fourth Proportional to 185,224.56, 255,611.12 and 100,341.56

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Solution

The fourth proportional to 185,224.56, 255,611.12 and 100,341.56 is: 138,472.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,224.56 : 255,611.12 = 100,341.56 : x
  2. Step 2: Convert to fraction form
    185,224.56/255,611.12 = 100,341.56/x
  3. Step 3: Cross multiply
    185,224.56x = 255,611.12 × 100,341.56
  4. Step 4: Simplify right side
    185,224.56x = 25,648,418,534.15
  5. Step 5: Solve for x
    x = 25,648,418,534.15/185,224.56
  6. Step 6: Final answer
    x = 138,472.02

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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.