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Finding the Fourth Proportional to 141,353.92, 212,069.13 and 47,859.67

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Solution

The fourth proportional to 141,353.92, 212,069.13 and 47,859.67 is: 71,802.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,353.92 : 212,069.13 = 47,859.67 : x
  2. Step 2: Convert to fraction form
    141,353.92/212,069.13 = 47,859.67/x
  3. Step 3: Cross multiply
    141,353.92x = 212,069.13 × 47,859.67
  4. Step 4: Simplify right side
    141,353.92x = 10,149,558,578.99
  5. Step 5: Solve for x
    x = 10,149,558,578.99/141,353.92
  6. Step 6: Final answer
    x = 71,802.46

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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.