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Finding the Fourth Proportional to 70,933.32, 106,086.26 and 63,090.86

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Solution

The fourth proportional to 70,933.32, 106,086.26 and 63,090.86 is: 94,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,933.32 : 106,086.26 = 63,090.86 : x
  2. Step 2: Convert to fraction form
    70,933.32/106,086.26 = 63,090.86/x
  3. Step 3: Cross multiply
    70,933.32x = 106,086.26 × 63,090.86
  4. Step 4: Simplify right side
    70,933.32x = 6,693,073,004.88
  5. Step 5: Solve for x
    x = 6,693,073,004.88/70,933.32
  6. Step 6: Final answer
    x = 94,357.25

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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.