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Finding the Fourth Proportional to 71,005.32, 97,992.18 and 41,197.32

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Solution

The fourth proportional to 71,005.32, 97,992.18 and 41,197.32 is: 56,855.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,005.32 : 97,992.18 = 41,197.32 : x
  2. Step 2: Convert to fraction form
    71,005.32/97,992.18 = 41,197.32/x
  3. Step 3: Cross multiply
    71,005.32x = 97,992.18 × 41,197.32
  4. Step 4: Simplify right side
    71,005.32x = 4,037,015,196.96
  5. Step 5: Solve for x
    x = 4,037,015,196.96/71,005.32
  6. Step 6: Final answer
    x = 56,855.11

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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.