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Finding the Fourth Proportional to 79,730.74, 119,595.90 and 23,571.52

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Solution

The fourth proportional to 79,730.74, 119,595.90 and 23,571.52 is: 35,357.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,730.74 : 119,595.90 = 23,571.52 : x
  2. Step 2: Convert to fraction form
    79,730.74/119,595.90 = 23,571.52/x
  3. Step 3: Cross multiply
    79,730.74x = 119,595.90 × 23,571.52
  4. Step 4: Simplify right side
    79,730.74x = 2,819,057,148.77
  5. Step 5: Solve for x
    x = 2,819,057,148.77/79,730.74
  6. Step 6: Final answer
    x = 35,357.22

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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.