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Finding the Fourth Proportional to 144,553.31, 216,928.07 and 51,059.06

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Solution

The fourth proportional to 144,553.31, 216,928.07 and 51,059.06 is: 76,623.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,553.31 : 216,928.07 = 51,059.06 : x
  2. Step 2: Convert to fraction form
    144,553.31/216,928.07 = 51,059.06/x
  3. Step 3: Cross multiply
    144,553.31x = 216,928.07 × 51,059.06
  4. Step 4: Simplify right side
    144,553.31x = 11,076,143,294.04
  5. Step 5: Solve for x
    x = 11,076,143,294.04/144,553.31
  6. Step 6: Final answer
    x = 76,623.24

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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.