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Finding the Fourth Proportional to 59,903.80, 89,736.90 and 52,516.60

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Solution

The fourth proportional to 59,903.80, 89,736.90 and 52,516.60 is: 78,670.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,903.80 : 89,736.90 = 52,516.60 : x
  2. Step 2: Convert to fraction form
    59,903.80/89,736.90 = 52,516.60/x
  3. Step 3: Cross multiply
    59,903.80x = 89,736.90 × 52,516.60
  4. Step 4: Simplify right side
    59,903.80x = 4,712,676,882.54
  5. Step 5: Solve for x
    x = 4,712,676,882.54/59,903.80
  6. Step 6: Final answer
    x = 78,670.75

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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.