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Finding the Fourth Proportional to 161,071.41, 241,424.82 and 82,018.65

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Solution

The fourth proportional to 161,071.41, 241,424.82 and 82,018.65 is: 122,935.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,071.41 : 241,424.82 = 82,018.65 : x
  2. Step 2: Convert to fraction form
    161,071.41/241,424.82 = 82,018.65/x
  3. Step 3: Cross multiply
    161,071.41x = 241,424.82 × 82,018.65
  4. Step 4: Simplify right side
    161,071.41x = 19,801,337,812.89
  5. Step 5: Solve for x
    x = 19,801,337,812.89/161,071.41
  6. Step 6: Final answer
    x = 122,935.15

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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.