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Finding the Fourth Proportional to 59,710.70, 88,861.25 and 57,717.80

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Solution

The fourth proportional to 59,710.70, 88,861.25 and 57,717.80 is: 85,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,710.70 : 88,861.25 = 57,717.80 : x
  2. Step 2: Convert to fraction form
    59,710.70/88,861.25 = 57,717.80/x
  3. Step 3: Cross multiply
    59,710.70x = 88,861.25 × 57,717.80
  4. Step 4: Simplify right side
    59,710.70x = 5,128,875,122.35
  5. Step 5: Solve for x
    x = 5,128,875,122.35/59,710.70
  6. Step 6: Final answer
    x = 85,895.42

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.