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Finding the Fourth Proportional to 143,235.16, 214,875.03 and 43,371.58

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Solution

The fourth proportional to 143,235.16, 214,875.03 and 43,371.58 is: 65,064.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,235.16 : 214,875.03 = 43,371.58 : x
  2. Step 2: Convert to fraction form
    143,235.16/214,875.03 = 43,371.58/x
  3. Step 3: Cross multiply
    143,235.16x = 214,875.03 × 43,371.58
  4. Step 4: Simplify right side
    143,235.16x = 9,319,469,553.65
  5. Step 5: Solve for x
    x = 9,319,469,553.65/143,235.16
  6. Step 6: Final answer
    x = 65,064.12

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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.