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Finding the Fourth Proportional to 144,520.70, 216,727.16 and 49,724.37

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Solution

The fourth proportional to 144,520.70, 216,727.16 and 49,724.37 is: 74,568.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,520.70 : 216,727.16 = 49,724.37 : x
  2. Step 2: Convert to fraction form
    144,520.70/216,727.16 = 49,724.37/x
  3. Step 3: Cross multiply
    144,520.70x = 216,727.16 × 49,724.37
  4. Step 4: Simplify right side
    144,520.70x = 10,776,621,244.27
  5. Step 5: Solve for x
    x = 10,776,621,244.27/144,520.70
  6. Step 6: Final answer
    x = 74,568.01

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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.