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Finding the Fourth Proportional to 173,359.50, 239,236.11 and 93,871.50

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Solution

The fourth proportional to 173,359.50, 239,236.11 and 93,871.50 is: 129,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,359.50 : 239,236.11 = 93,871.50 : x
  2. Step 2: Convert to fraction form
    173,359.50/239,236.11 = 93,871.50/x
  3. Step 3: Cross multiply
    173,359.50x = 239,236.11 × 93,871.50
  4. Step 4: Simplify right side
    173,359.50x = 22,457,452,499.87
  5. Step 5: Solve for x
    x = 22,457,452,499.87/173,359.50
  6. Step 6: Final answer
    x = 129,542.67

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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.