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Finding the Fourth Proportional to 372,553.29, 558,835.02 and 106,313.67

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Solution

The fourth proportional to 372,553.29, 558,835.02 and 106,313.67 is: 159,471.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,553.29 : 558,835.02 = 106,313.67 : x
  2. Step 2: Convert to fraction form
    372,553.29/558,835.02 = 106,313.67/x
  3. Step 3: Cross multiply
    372,553.29x = 558,835.02 × 106,313.67
  4. Step 4: Simplify right side
    372,553.29x = 59,411,801,900.72
  5. Step 5: Solve for x
    x = 59,411,801,900.72/372,553.29
  6. Step 6: Final answer
    x = 159,471.96

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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.