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Finding the Fourth Proportional to 108,652.86, 149,933.40 and 60,257.34

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Solution

The fourth proportional to 108,652.86, 149,933.40 and 60,257.34 is: 83,150.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,652.86 : 149,933.40 = 60,257.34 : x
  2. Step 2: Convert to fraction form
    108,652.86/149,933.40 = 60,257.34/x
  3. Step 3: Cross multiply
    108,652.86x = 149,933.40 × 60,257.34
  4. Step 4: Simplify right side
    108,652.86x = 9,034,587,861.16
  5. Step 5: Solve for x
    x = 9,034,587,861.16/108,652.86
  6. Step 6: Final answer
    x = 83,150.94

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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.