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Finding the Fourth Proportional to 179,663.40, 269,472.96 and 61,346.52

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Solution

The fourth proportional to 179,663.40, 269,472.96 and 61,346.52 is: 92,012.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,663.40 : 269,472.96 = 61,346.52 : x
  2. Step 2: Convert to fraction form
    179,663.40/269,472.96 = 61,346.52/x
  3. Step 3: Cross multiply
    179,663.40x = 269,472.96 × 61,346.52
  4. Step 4: Simplify right side
    179,663.40x = 16,531,228,330.10
  5. Step 5: Solve for x
    x = 16,531,228,330.10/179,663.40
  6. Step 6: Final answer
    x = 92,012.22

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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.