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Finding the Fourth Proportional to 79,353.81, 119,077.27 and 29,468.54

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Solution

The fourth proportional to 79,353.81, 119,077.27 and 29,468.54 is: 44,220.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,353.81 : 119,077.27 = 29,468.54 : x
  2. Step 2: Convert to fraction form
    79,353.81/119,077.27 = 29,468.54/x
  3. Step 3: Cross multiply
    79,353.81x = 119,077.27 × 29,468.54
  4. Step 4: Simplify right side
    79,353.81x = 3,509,033,518.11
  5. Step 5: Solve for x
    x = 3,509,033,518.11/79,353.81
  6. Step 6: Final answer
    x = 44,220.10

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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.