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Finding the Fourth Proportional to 70,180.56, 96,846.44 and 38,349.86

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Solution

The fourth proportional to 70,180.56, 96,846.44 and 38,349.86 is: 52,921.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,180.56 : 96,846.44 = 38,349.86 : x
  2. Step 2: Convert to fraction form
    70,180.56/96,846.44 = 38,349.86/x
  3. Step 3: Cross multiply
    70,180.56x = 96,846.44 × 38,349.86
  4. Step 4: Simplify right side
    70,180.56x = 3,714,046,739.52
  5. Step 5: Solve for x
    x = 3,714,046,739.52/70,180.56
  6. Step 6: Final answer
    x = 52,921.30

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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.