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Finding the Fourth Proportional to 79,437.92, 109,624.59 and 43,627.01

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Solution

The fourth proportional to 79,437.92, 109,624.59 and 43,627.01 is: 60,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.92 : 109,624.59 = 43,627.01 : x
  2. Step 2: Convert to fraction form
    79,437.92/109,624.59 = 43,627.01/x
  3. Step 3: Cross multiply
    79,437.92x = 109,624.59 × 43,627.01
  4. Step 4: Simplify right side
    79,437.92x = 4,782,592,536.05
  5. Step 5: Solve for x
    x = 4,782,592,536.05/79,437.92
  6. Step 6: Final answer
    x = 60,205.41

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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.