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Finding the Fourth Proportional to 144,759.51, 217,170.45 and 44,917.74

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Solution

The fourth proportional to 144,759.51, 217,170.45 and 44,917.74 is: 67,386.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,759.51 : 217,170.45 = 44,917.74 : x
  2. Step 2: Convert to fraction form
    144,759.51/217,170.45 = 44,917.74/x
  3. Step 3: Cross multiply
    144,759.51x = 217,170.45 × 44,917.74
  4. Step 4: Simplify right side
    144,759.51x = 9,754,805,808.78
  5. Step 5: Solve for x
    x = 9,754,805,808.78/144,759.51
  6. Step 6: Final answer
    x = 67,386.29

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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.