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Finding the Fourth Proportional to 95,869.31, 143,825.06 and 28,396.11

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Solution

The fourth proportional to 95,869.31, 143,825.06 and 28,396.11 is: 42,600.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,869.31 : 143,825.06 = 28,396.11 : x
  2. Step 2: Convert to fraction form
    95,869.31/143,825.06 = 28,396.11/x
  3. Step 3: Cross multiply
    95,869.31x = 143,825.06 × 28,396.11
  4. Step 4: Simplify right side
    95,869.31x = 4,084,072,295.51
  5. Step 5: Solve for x
    x = 4,084,072,295.51/95,869.31
  6. Step 6: Final answer
    x = 42,600.41

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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.