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Finding the Fourth Proportional to 159,632.29, 239,486.01 and 47,313.44

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Solution

The fourth proportional to 159,632.29, 239,486.01 and 47,313.44 is: 70,981.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,632.29 : 239,486.01 = 47,313.44 : x
  2. Step 2: Convert to fraction form
    159,632.29/239,486.01 = 47,313.44/x
  3. Step 3: Cross multiply
    159,632.29x = 239,486.01 × 47,313.44
  4. Step 4: Simplify right side
    159,632.29x = 11,330,905,530.98
  5. Step 5: Solve for x
    x = 11,330,905,530.98/159,632.29
  6. Step 6: Final answer
    x = 70,981.29

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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.