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Finding the Fourth Proportional to 59,495.65, 89,243.78 and 20,053.10

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Solution

The fourth proportional to 59,495.65, 89,243.78 and 20,053.10 is: 30,079.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,495.65 : 89,243.78 = 20,053.10 : x
  2. Step 2: Convert to fraction form
    59,495.65/89,243.78 = 20,053.10/x
  3. Step 3: Cross multiply
    59,495.65x = 89,243.78 × 20,053.10
  4. Step 4: Simplify right side
    59,495.65x = 1,789,614,567.56
  5. Step 5: Solve for x
    x = 1,789,614,567.56/59,495.65
  6. Step 6: Final answer
    x = 30,079.76

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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.