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Finding the Fourth Proportional to 59,136.95, 81,631.88 and 35,265.39

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Solution

The fourth proportional to 59,136.95, 81,631.88 and 35,265.39 is: 48,679.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,136.95 : 81,631.88 = 35,265.39 : x
  2. Step 2: Convert to fraction form
    59,136.95/81,631.88 = 35,265.39/x
  3. Step 3: Cross multiply
    59,136.95x = 81,631.88 × 35,265.39
  4. Step 4: Simplify right side
    59,136.95x = 2,878,780,391.98
  5. Step 5: Solve for x
    x = 2,878,780,391.98/59,136.95
  6. Step 6: Final answer
    x = 48,679.89

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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.