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Finding the Fourth Proportional to 101,568.58, 152,136.82 and 82,503.66

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Solution

The fourth proportional to 101,568.58, 152,136.82 and 82,503.66 is: 123,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,568.58 : 152,136.82 = 82,503.66 : x
  2. Step 2: Convert to fraction form
    101,568.58/152,136.82 = 82,503.66/x
  3. Step 3: Cross multiply
    101,568.58x = 152,136.82 × 82,503.66
  4. Step 4: Simplify right side
    101,568.58x = 12,551,845,144.40
  5. Step 5: Solve for x
    x = 12,551,845,144.40/101,568.58
  6. Step 6: Final answer
    x = 123,580.00

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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.