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Finding the Fourth Proportional to 70,181.64, 96,850.08 and 38,350.26

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Solution

The fourth proportional to 70,181.64, 96,850.08 and 38,350.26 is: 52,923.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,181.64 : 96,850.08 = 38,350.26 : x
  2. Step 2: Convert to fraction form
    70,181.64/96,850.08 = 38,350.26/x
  3. Step 3: Cross multiply
    70,181.64x = 96,850.08 × 38,350.26
  4. Step 4: Simplify right side
    70,181.64x = 3,714,225,749.02
  5. Step 5: Solve for x
    x = 3,714,225,749.02/70,181.64
  6. Step 6: Final answer
    x = 52,923.04

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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.