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Finding the Fourth Proportional to 161,726.30, 242,589.45 and 154,468.70

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Solution

The fourth proportional to 161,726.30, 242,589.45 and 154,468.70 is: 231,703.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,726.30 : 242,589.45 = 154,468.70 : x
  2. Step 2: Convert to fraction form
    161,726.30/242,589.45 = 154,468.70/x
  3. Step 3: Cross multiply
    161,726.30x = 242,589.45 × 154,468.70
  4. Step 4: Simplify right side
    161,726.30x = 37,472,476,975.22
  5. Step 5: Solve for x
    x = 37,472,476,975.22/161,726.30
  6. Step 6: Final answer
    x = 231,703.05

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.