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Finding the Fourth Proportional to 161,614.78, 223,026.24 and 89,016.26

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Solution

The fourth proportional to 161,614.78, 223,026.24 and 89,016.26 is: 122,841.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,614.78 : 223,026.24 = 89,016.26 : x
  2. Step 2: Convert to fraction form
    161,614.78/223,026.24 = 89,016.26/x
  3. Step 3: Cross multiply
    161,614.78x = 223,026.24 × 89,016.26
  4. Step 4: Simplify right side
    161,614.78x = 19,852,961,766.66
  5. Step 5: Solve for x
    x = 19,852,961,766.66/161,614.78
  6. Step 6: Final answer
    x = 122,841.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.