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Finding the Fourth Proportional to 162,990.96, 244,107.36 and 158,506.56

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Solution

The fourth proportional to 162,990.96, 244,107.36 and 158,506.56 is: 237,391.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,990.96 : 244,107.36 = 158,506.56 : x
  2. Step 2: Convert to fraction form
    162,990.96/244,107.36 = 158,506.56/x
  3. Step 3: Cross multiply
    162,990.96x = 244,107.36 × 158,506.56
  4. Step 4: Simplify right side
    162,990.96x = 38,692,617,904.28
  5. Step 5: Solve for x
    x = 38,692,617,904.28/162,990.96
  6. Step 6: Final answer
    x = 237,391.19

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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.