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Finding the Fourth Proportional to 70,447.23, 97,221.17 and 41,783.86

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Solution

The fourth proportional to 70,447.23, 97,221.17 and 41,783.86 is: 57,664.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,447.23 : 97,221.17 = 41,783.86 : x
  2. Step 2: Convert to fraction form
    70,447.23/97,221.17 = 41,783.86/x
  3. Step 3: Cross multiply
    70,447.23x = 97,221.17 × 41,783.86
  4. Step 4: Simplify right side
    70,447.23x = 4,062,275,756.32
  5. Step 5: Solve for x
    x = 4,062,275,756.32/70,447.23
  6. Step 6: Final answer
    x = 57,664.09

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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.