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Finding the Fourth Proportional to 95,138, 131,290.44 and 52,699.27

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Solution

The fourth proportional to 95,138, 131,290.44 and 52,699.27 is: 72,724.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,138 : 131,290.44 = 52,699.27 : x
  2. Step 2: Convert to fraction form
    95,138/131,290.44 = 52,699.27/x
  3. Step 3: Cross multiply
    95,138x = 131,290.44 × 52,699.27
  4. Step 4: Simplify right side
    95,138x = 6,918,909,689.53
  5. Step 5: Solve for x
    x = 6,918,909,689.53/95,138
  6. Step 6: Final answer
    x = 72,724.99

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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.