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Finding the Fourth Proportional to 117,607.44, 162,297.48 and 63,892.08

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Solution

The fourth proportional to 117,607.44, 162,297.48 and 63,892.08 is: 88,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,607.44 : 162,297.48 = 63,892.08 : x
  2. Step 2: Convert to fraction form
    117,607.44/162,297.48 = 63,892.08/x
  3. Step 3: Cross multiply
    117,607.44x = 162,297.48 × 63,892.08
  4. Step 4: Simplify right side
    117,607.44x = 10,369,523,575.96
  5. Step 5: Solve for x
    x = 10,369,523,575.96/117,607.44
  6. Step 6: Final answer
    x = 88,170.64

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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.