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Finding the Fourth Proportional to 158,356.94, 237,536.98 and 40,028.31

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Solution

The fourth proportional to 158,356.94, 237,536.98 and 40,028.31 is: 60,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,356.94 : 237,536.98 = 40,028.31 : x
  2. Step 2: Convert to fraction form
    158,356.94/237,536.98 = 40,028.31/x
  3. Step 3: Cross multiply
    158,356.94x = 237,536.98 × 40,028.31
  4. Step 4: Simplify right side
    158,356.94x = 9,508,203,771.83
  5. Step 5: Solve for x
    x = 9,508,203,771.83/158,356.94
  6. Step 6: Final answer
    x = 60,042.86

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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.