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Finding the Fourth Proportional to 144,798.84, 217,165.46 and 51,304.59

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Solution

The fourth proportional to 144,798.84, 217,165.46 and 51,304.59 is: 76,945.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,798.84 : 217,165.46 = 51,304.59 : x
  2. Step 2: Convert to fraction form
    144,798.84/217,165.46 = 51,304.59/x
  3. Step 3: Cross multiply
    144,798.84x = 217,165.46 × 51,304.59
  4. Step 4: Simplify right side
    144,798.84x = 11,141,584,630.94
  5. Step 5: Solve for x
    x = 11,141,584,630.94/144,798.84
  6. Step 6: Final answer
    x = 76,945.26

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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.