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Finding the Fourth Proportional to 144,966.70, 217,460.85 and 51,460.30

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Solution

The fourth proportional to 144,966.70, 217,460.85 and 51,460.30 is: 77,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,966.70 : 217,460.85 = 51,460.30 : x
  2. Step 2: Convert to fraction form
    144,966.70/217,460.85 = 51,460.30/x
  3. Step 3: Cross multiply
    144,966.70x = 217,460.85 × 51,460.30
  4. Step 4: Simplify right side
    144,966.70x = 11,190,600,579.26
  5. Step 5: Solve for x
    x = 11,190,600,579.26/144,966.70
  6. Step 6: Final answer
    x = 77,194.28

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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.