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Finding the Fourth Proportional to 79,758.11, 119,657.93 and 29,842.11

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Solution

The fourth proportional to 79,758.11, 119,657.93 and 29,842.11 is: 44,770.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,758.11 : 119,657.93 = 29,842.11 : x
  2. Step 2: Convert to fraction form
    79,758.11/119,657.93 = 29,842.11/x
  3. Step 3: Cross multiply
    79,758.11x = 119,657.93 × 29,842.11
  4. Step 4: Simplify right side
    79,758.11x = 3,570,844,361.93
  5. Step 5: Solve for x
    x = 3,570,844,361.93/79,758.11
  6. Step 6: Final answer
    x = 44,770.93

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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.