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Finding the Fourth Proportional to 79,600.70, 109,846.67 and 43,301

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Solution

The fourth proportional to 79,600.70, 109,846.67 and 43,301 is: 59,754.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,600.70 : 109,846.67 = 43,301 : x
  2. Step 2: Convert to fraction form
    79,600.70/109,846.67 = 43,301/x
  3. Step 3: Cross multiply
    79,600.70x = 109,846.67 × 43,301
  4. Step 4: Simplify right side
    79,600.70x = 4,756,470,441.17
  5. Step 5: Solve for x
    x = 4,756,470,441.17/79,600.70
  6. Step 6: Final answer
    x = 59,754.13

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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.