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Finding the Fourth Proportional to 161,202.80, 241,631.40 and 61,324.40

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Solution

The fourth proportional to 161,202.80, 241,631.40 and 61,324.40 is: 91,920.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,202.80 : 241,631.40 = 61,324.40 : x
  2. Step 2: Convert to fraction form
    161,202.80/241,631.40 = 61,324.40/x
  3. Step 3: Cross multiply
    161,202.80x = 241,631.40 × 61,324.40
  4. Step 4: Simplify right side
    161,202.80x = 14,817,900,626.16
  5. Step 5: Solve for x
    x = 14,817,900,626.16/161,202.80
  6. Step 6: Final answer
    x = 91,920.86

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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.