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Finding the Fourth Proportional to 168,244.56, 252,340.99 and 61,603.40

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Solution

The fourth proportional to 168,244.56, 252,340.99 and 61,603.40 is: 92,395.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,244.56 : 252,340.99 = 61,603.40 : x
  2. Step 2: Convert to fraction form
    168,244.56/252,340.99 = 61,603.40/x
  3. Step 3: Cross multiply
    168,244.56x = 252,340.99 × 61,603.40
  4. Step 4: Simplify right side
    168,244.56x = 15,545,063,420.21
  5. Step 5: Solve for x
    x = 15,545,063,420.21/168,244.56
  6. Step 6: Final answer
    x = 92,395.64

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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.