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Finding the Fourth Proportional to 79,429.60, 119,060.40 and 29,477.60

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Solution

The fourth proportional to 79,429.60, 119,060.40 and 29,477.60 is: 44,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,429.60 : 119,060.40 = 29,477.60 : x
  2. Step 2: Convert to fraction form
    79,429.60/119,060.40 = 29,477.60/x
  3. Step 3: Cross multiply
    79,429.60x = 119,060.40 × 29,477.60
  4. Step 4: Simplify right side
    79,429.60x = 3,509,614,847.04
  5. Step 5: Solve for x
    x = 3,509,614,847.04/79,429.60
  6. Step 6: Final answer
    x = 44,185.23

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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.