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Finding the Fourth Proportional to 161,176.20, 241,472.70 and 137,848.20

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Solution

The fourth proportional to 161,176.20, 241,472.70 and 137,848.20 is: 206,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,176.20 : 241,472.70 = 137,848.20 : x
  2. Step 2: Convert to fraction form
    161,176.20/241,472.70 = 137,848.20/x
  3. Step 3: Cross multiply
    161,176.20x = 241,472.70 × 137,848.20
  4. Step 4: Simplify right side
    161,176.20x = 33,286,577,044.14
  5. Step 5: Solve for x
    x = 33,286,577,044.14/161,176.20
  6. Step 6: Final answer
    x = 206,522.91

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1.5x scale

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.