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Finding the Fourth Proportional to 163,463.52, 225,705.62 and 131,773.88

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Solution

The fourth proportional to 163,463.52, 225,705.62 and 131,773.88 is: 181,949.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,463.52 : 225,705.62 = 131,773.88 : x
  2. Step 2: Convert to fraction form
    163,463.52/225,705.62 = 131,773.88/x
  3. Step 3: Cross multiply
    163,463.52x = 225,705.62 × 131,773.88
  4. Step 4: Simplify right side
    163,463.52x = 29,742,105,285.21
  5. Step 5: Solve for x
    x = 29,742,105,285.21/163,463.52
  6. Step 6: Final answer
    x = 181,949.50

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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.