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Finding the Fourth Proportional to 60,029.20, 89,914.20 and 49,661.20

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Solution

The fourth proportional to 60,029.20, 89,914.20 and 49,661.20 is: 74,384.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,029.20 : 89,914.20 = 49,661.20 : x
  2. Step 2: Convert to fraction form
    60,029.20/89,914.20 = 49,661.20/x
  3. Step 3: Cross multiply
    60,029.20x = 89,914.20 × 49,661.20
  4. Step 4: Simplify right side
    60,029.20x = 4,465,247,069.04
  5. Step 5: Solve for x
    x = 4,465,247,069.04/60,029.20
  6. Step 6: Final answer
    x = 74,384.58

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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.