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Finding the Fourth Proportional to 88,745.13, 122,473.26 and 48,462.64

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Solution

The fourth proportional to 88,745.13, 122,473.26 and 48,462.64 is: 66,881.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,745.13 : 122,473.26 = 48,462.64 : x
  2. Step 2: Convert to fraction form
    88,745.13/122,473.26 = 48,462.64/x
  3. Step 3: Cross multiply
    88,745.13x = 122,473.26 × 48,462.64
  4. Step 4: Simplify right side
    88,745.13x = 5,935,377,202.82
  5. Step 5: Solve for x
    x = 5,935,377,202.82/88,745.13
  6. Step 6: Final answer
    x = 66,881.16

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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.