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Finding the Fourth Proportional to 95,859.95, 143,580.38 and 79,030.98

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Solution

The fourth proportional to 95,859.95, 143,580.38 and 79,030.98 is: 118,373.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,859.95 : 143,580.38 = 79,030.98 : x
  2. Step 2: Convert to fraction form
    95,859.95/143,580.38 = 79,030.98/x
  3. Step 3: Cross multiply
    95,859.95x = 143,580.38 × 79,030.98
  4. Step 4: Simplify right side
    95,859.95x = 11,347,297,745.02
  5. Step 5: Solve for x
    x = 11,347,297,745.02/95,859.95
  6. Step 6: Final answer
    x = 118,373.71

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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.