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Finding the Fourth Proportional to 95,868.80, 143,790.60 and 29,315.60

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Solution

The fourth proportional to 95,868.80, 143,790.60 and 29,315.60 is: 43,969.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,868.80 : 143,790.60 = 29,315.60 : x
  2. Step 2: Convert to fraction form
    95,868.80/143,790.60 = 29,315.60/x
  3. Step 3: Cross multiply
    95,868.80x = 143,790.60 × 29,315.60
  4. Step 4: Simplify right side
    95,868.80x = 4,215,307,713.36
  5. Step 5: Solve for x
    x = 4,215,307,713.36/95,868.80
  6. Step 6: Final answer
    x = 43,969.55

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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.