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Finding the Fourth Proportional to 62,184.70, 93,295.28 and 20,071.28

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Solution

The fourth proportional to 62,184.70, 93,295.28 and 20,071.28 is: 30,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,184.70 : 93,295.28 = 20,071.28 : x
  2. Step 2: Convert to fraction form
    62,184.70/93,295.28 = 20,071.28/x
  3. Step 3: Cross multiply
    62,184.70x = 93,295.28 × 20,071.28
  4. Step 4: Simplify right side
    62,184.70x = 1,872,555,687.56
  5. Step 5: Solve for x
    x = 1,872,555,687.56/62,184.70
  6. Step 6: Final answer
    x = 30,112.80

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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.