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Finding the Fourth Proportional to 158,593.02, 218,798.31 and 101,234.49

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Solution

The fourth proportional to 158,593.02, 218,798.31 and 101,234.49 is: 139,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,593.02 : 218,798.31 = 101,234.49 : x
  2. Step 2: Convert to fraction form
    158,593.02/218,798.31 = 101,234.49/x
  3. Step 3: Cross multiply
    158,593.02x = 218,798.31 × 101,234.49
  4. Step 4: Simplify right side
    158,593.02x = 22,149,935,325.71
  5. Step 5: Solve for x
    x = 22,149,935,325.71/158,593.02
  6. Step 6: Final answer
    x = 139,665.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.