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Finding the Fourth Proportional to 55,244.40, 82,866.60 and 34,249.20

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Solution

The fourth proportional to 55,244.40, 82,866.60 and 34,249.20 is: 51,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,244.40 : 82,866.60 = 34,249.20 : x
  2. Step 2: Convert to fraction form
    55,244.40/82,866.60 = 34,249.20/x
  3. Step 3: Cross multiply
    55,244.40x = 82,866.60 × 34,249.20
  4. Step 4: Simplify right side
    55,244.40x = 2,838,114,756.72
  5. Step 5: Solve for x
    x = 2,838,114,756.72/55,244.40
  6. Step 6: Final answer
    x = 51,373.80

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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.