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Finding the Fourth Proportional to 62,195.40, 93,269.88 and 20,064.90

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Solution

The fourth proportional to 62,195.40, 93,269.88 and 20,064.90 is: 30,089.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,195.40 : 93,269.88 = 20,064.90 : x
  2. Step 2: Convert to fraction form
    62,195.40/93,269.88 = 20,064.90/x
  3. Step 3: Cross multiply
    62,195.40x = 93,269.88 × 20,064.90
  4. Step 4: Simplify right side
    62,195.40x = 1,871,450,815.21
  5. Step 5: Solve for x
    x = 1,871,450,815.21/62,195.40
  6. Step 6: Final answer
    x = 30,089.86

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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.