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Finding the Fourth Proportional to 99,119.67, 148,600.22 and 51,710.97

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Solution

The fourth proportional to 99,119.67, 148,600.22 and 51,710.97 is: 77,525.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,119.67 : 148,600.22 = 51,710.97 : x
  2. Step 2: Convert to fraction form
    99,119.67/148,600.22 = 51,710.97/x
  3. Step 3: Cross multiply
    99,119.67x = 148,600.22 × 51,710.97
  4. Step 4: Simplify right side
    99,119.67x = 7,684,261,259.86
  5. Step 5: Solve for x
    x = 7,684,261,259.86/99,119.67
  6. Step 6: Final answer
    x = 77,525.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.