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Finding the Fourth Proportional to 85,766.84, 118,361.99 and 47,526.29

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Solution

The fourth proportional to 85,766.84, 118,361.99 and 47,526.29 is: 65,588.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,766.84 : 118,361.99 = 47,526.29 : x
  2. Step 2: Convert to fraction form
    85,766.84/118,361.99 = 47,526.29/x
  3. Step 3: Cross multiply
    85,766.84x = 118,361.99 × 47,526.29
  4. Step 4: Simplify right side
    85,766.84x = 5,625,305,788.72
  5. Step 5: Solve for x
    x = 5,625,305,788.72/85,766.84
  6. Step 6: Final answer
    x = 65,588.36

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Why These Related Problems?

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