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Finding the Fourth Proportional to 113,464.56, 156,581.04 and 63,175.44

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Solution

The fourth proportional to 113,464.56, 156,581.04 and 63,175.44 is: 87,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,464.56 : 156,581.04 = 63,175.44 : x
  2. Step 2: Convert to fraction form
    113,464.56/156,581.04 = 63,175.44/x
  3. Step 3: Cross multiply
    113,464.56x = 156,581.04 × 63,175.44
  4. Step 4: Simplify right side
    113,464.56x = 9,892,076,097.66
  5. Step 5: Solve for x
    x = 9,892,076,097.66/113,464.56
  6. Step 6: Final answer
    x = 87,182.08

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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.