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Finding the Fourth Proportional to 103,797, 143,240.02 and 59,085

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Solution

The fourth proportional to 103,797, 143,240.02 and 59,085 is: 81,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,797 : 143,240.02 = 59,085 : x
  2. Step 2: Convert to fraction form
    103,797/143,240.02 = 59,085/x
  3. Step 3: Cross multiply
    103,797x = 143,240.02 × 59,085
  4. Step 4: Simplify right side
    103,797x = 8,463,336,581.70
  5. Step 5: Solve for x
    x = 8,463,336,581.70/103,797
  6. Step 6: Final answer
    x = 81,537.39

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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.