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Finding the Fourth Proportional to 113,714.64, 156,919.10 and 62,727.96

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Solution

The fourth proportional to 113,714.64, 156,919.10 and 62,727.96 is: 86,560.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,714.64 : 156,919.10 = 62,727.96 : x
  2. Step 2: Convert to fraction form
    113,714.64/156,919.10 = 62,727.96/x
  3. Step 3: Cross multiply
    113,714.64x = 156,919.10 × 62,727.96
  4. Step 4: Simplify right side
    113,714.64x = 9,843,215,028.04
  5. Step 5: Solve for x
    x = 9,843,215,028.04/113,714.64
  6. Step 6: Final answer
    x = 86,560.67

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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.