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Finding the Fourth Proportional to 115,479, 159,361.52 and 62,487

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Solution

The fourth proportional to 115,479, 159,361.52 and 62,487 is: 86,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,479 : 159,361.52 = 62,487 : x
  2. Step 2: Convert to fraction form
    115,479/159,361.52 = 62,487/x
  3. Step 3: Cross multiply
    115,479x = 159,361.52 × 62,487
  4. Step 4: Simplify right side
    115,479x = 9,958,023,300.24
  5. Step 5: Solve for x
    x = 9,958,023,300.24/115,479
  6. Step 6: Final answer
    x = 86,232.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.