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Finding the Fourth Proportional to 189,166.44, 283,575.42 and 64,420.68

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Solution

The fourth proportional to 189,166.44, 283,575.42 and 64,420.68 is: 96,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,166.44 : 283,575.42 = 64,420.68 : x
  2. Step 2: Convert to fraction form
    189,166.44/283,575.42 = 64,420.68/x
  3. Step 3: Cross multiply
    189,166.44x = 283,575.42 × 64,420.68
  4. Step 4: Simplify right side
    189,166.44x = 18,268,121,387.69
  5. Step 5: Solve for x
    x = 18,268,121,387.69/189,166.44
  6. Step 6: Final answer
    x = 96,571.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.