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Finding the Fourth Proportional to 142,752.80, 214,112.63 and 37,579.97

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Solution

The fourth proportional to 142,752.80, 214,112.63 and 37,579.97 is: 56,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,752.80 : 214,112.63 = 37,579.97 : x
  2. Step 2: Convert to fraction form
    142,752.80/214,112.63 = 37,579.97/x
  3. Step 3: Cross multiply
    142,752.80x = 214,112.63 × 37,579.97
  4. Step 4: Simplify right side
    142,752.80x = 8,046,344,953.56
  5. Step 5: Solve for x
    x = 8,046,344,953.56/142,752.80
  6. Step 6: Final answer
    x = 56,365.59

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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.