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Finding the Fourth Proportional to 161,301.97, 222,620.94 and 116,129.47

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Solution

The fourth proportional to 161,301.97, 222,620.94 and 116,129.47 is: 160,276.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,301.97 : 222,620.94 = 116,129.47 : x
  2. Step 2: Convert to fraction form
    161,301.97/222,620.94 = 116,129.47/x
  3. Step 3: Cross multiply
    161,301.97x = 222,620.94 × 116,129.47
  4. Step 4: Simplify right side
    161,301.97x = 25,852,851,773.10
  5. Step 5: Solve for x
    x = 25,852,851,773.10/161,301.97
  6. Step 6: Final answer
    x = 160,276.11

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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.