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Finding the Fourth Proportional to 169,313.37, 233,652.78 and 93,861.87

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Solution

The fourth proportional to 169,313.37, 233,652.78 and 93,861.87 is: 129,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,313.37 : 233,652.78 = 93,861.87 : x
  2. Step 2: Convert to fraction form
    169,313.37/233,652.78 = 93,861.87/x
  3. Step 3: Cross multiply
    169,313.37x = 233,652.78 × 93,861.87
  4. Step 4: Simplify right side
    169,313.37x = 21,931,086,861.50
  5. Step 5: Solve for x
    x = 21,931,086,861.50/169,313.37
  6. Step 6: Final answer
    x = 129,529.56

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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.