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Finding the Fourth Proportional to 79,653.70, 119,501.06 and 23,491.54

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Solution

The fourth proportional to 79,653.70, 119,501.06 and 23,491.54 is: 35,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,653.70 : 119,501.06 = 23,491.54 : x
  2. Step 2: Convert to fraction form
    79,653.70/119,501.06 = 23,491.54/x
  3. Step 3: Cross multiply
    79,653.70x = 119,501.06 × 23,491.54
  4. Step 4: Simplify right side
    79,653.70x = 2,807,263,962.95
  5. Step 5: Solve for x
    x = 2,807,263,962.95/79,653.70
  6. Step 6: Final answer
    x = 35,243.36

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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.