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Finding the Fourth Proportional to 59,545.63, 89,271.67 and 40,768.87

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Solution

The fourth proportional to 59,545.63, 89,271.67 and 40,768.87 is: 61,121.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,545.63 : 89,271.67 = 40,768.87 : x
  2. Step 2: Convert to fraction form
    59,545.63/89,271.67 = 40,768.87/x
  3. Step 3: Cross multiply
    59,545.63x = 89,271.67 × 40,768.87
  4. Step 4: Simplify right side
    59,545.63x = 3,639,505,027.64
  5. Step 5: Solve for x
    x = 3,639,505,027.64/59,545.63
  6. Step 6: Final answer
    x = 61,121.28

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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.