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Finding the Fourth Proportional to 226,161.66, 312,088.90 and 124,186.41

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Solution

The fourth proportional to 226,161.66, 312,088.90 and 124,186.41 is: 171,369.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,161.66 : 312,088.90 = 124,186.41 : x
  2. Step 2: Convert to fraction form
    226,161.66/312,088.90 = 124,186.41/x
  3. Step 3: Cross multiply
    226,161.66x = 312,088.90 × 124,186.41
  4. Step 4: Simplify right side
    226,161.66x = 38,757,199,136.48
  5. Step 5: Solve for x
    x = 38,757,199,136.48/226,161.66
  6. Step 6: Final answer
    x = 171,369.45

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