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Finding the Fourth Proportional to 73,395.48, 101,280 and 43,181.92

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Solution

The fourth proportional to 73,395.48, 101,280 and 43,181.92 is: 59,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,395.48 : 101,280 = 43,181.92 : x
  2. Step 2: Convert to fraction form
    73,395.48/101,280 = 43,181.92/x
  3. Step 3: Cross multiply
    73,395.48x = 101,280 × 43,181.92
  4. Step 4: Simplify right side
    73,395.48x = 4,373,464,857.60
  5. Step 5: Solve for x
    x = 4,373,464,857.60/73,395.48
  6. Step 6: Final answer
    x = 59,587.66

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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.