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Finding the Fourth Proportional to 113,474, 156,599.52 and 63,173.04

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Solution

The fourth proportional to 113,474, 156,599.52 and 63,173.04 is: 87,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,474 : 156,599.52 = 63,173.04 : x
  2. Step 2: Convert to fraction form
    113,474/156,599.52 = 63,173.04/x
  3. Step 3: Cross multiply
    113,474x = 156,599.52 × 63,173.04
  4. Step 4: Simplify right side
    113,474x = 9,892,867,740.94
  5. Step 5: Solve for x
    x = 9,892,867,740.94/113,474
  6. Step 6: Final answer
    x = 87,181.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.