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Finding the Fourth Proportional to 143,322.47, 214,983.03 and 36,706.22

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Solution

The fourth proportional to 143,322.47, 214,983.03 and 36,706.22 is: 55,059.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,322.47 : 214,983.03 = 36,706.22 : x
  2. Step 2: Convert to fraction form
    143,322.47/214,983.03 = 36,706.22/x
  3. Step 3: Cross multiply
    143,322.47x = 214,983.03 × 36,706.22
  4. Step 4: Simplify right side
    143,322.47x = 7,891,214,395.45
  5. Step 5: Solve for x
    x = 7,891,214,395.45/143,322.47
  6. Step 6: Final answer
    x = 55,059.16

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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.