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Finding the Fourth Proportional to 59,810.70, 89,910.45 and 51,257.10

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Solution

The fourth proportional to 59,810.70, 89,910.45 and 51,257.10 is: 77,052.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,810.70 : 89,910.45 = 51,257.10 : x
  2. Step 2: Convert to fraction form
    59,810.70/89,910.45 = 51,257.10/x
  3. Step 3: Cross multiply
    59,810.70x = 89,910.45 × 51,257.10
  4. Step 4: Simplify right side
    59,810.70x = 4,608,548,926.70
  5. Step 5: Solve for x
    x = 4,608,548,926.70/59,810.70
  6. Step 6: Final answer
    x = 77,052.25

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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.