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Finding the Fourth Proportional to 144,671.00, 217,004.27 and 39,489.66

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Solution

The fourth proportional to 144,671.00, 217,004.27 and 39,489.66 is: 59,233.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,671.00 : 217,004.27 = 39,489.66 : x
  2. Step 2: Convert to fraction form
    144,671.00/217,004.27 = 39,489.66/x
  3. Step 3: Cross multiply
    144,671.00x = 217,004.27 × 39,489.66
  4. Step 4: Simplify right side
    144,671.00x = 8,569,424,643.40
  5. Step 5: Solve for x
    x = 8,569,424,643.40/144,671.00
  6. Step 6: Final answer
    x = 59,233.88

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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.