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Finding the Fourth Proportional to 143,150.65, 214,671.30 and 43,277.65

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Solution

The fourth proportional to 143,150.65, 214,671.30 and 43,277.65 is: 64,899.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,150.65 : 214,671.30 = 43,277.65 : x
  2. Step 2: Convert to fraction form
    143,150.65/214,671.30 = 43,277.65/x
  3. Step 3: Cross multiply
    143,150.65x = 214,671.30 × 43,277.65
  4. Step 4: Simplify right side
    143,150.65x = 9,290,469,386.45
  5. Step 5: Solve for x
    x = 9,290,469,386.45/143,150.65
  6. Step 6: Final answer
    x = 64,899.95

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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.