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Finding the Fourth Proportional to 161,858.60, 223,326.42 and 98,194.76

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Solution

The fourth proportional to 161,858.60, 223,326.42 and 98,194.76 is: 135,485.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,858.60 : 223,326.42 = 98,194.76 : x
  2. Step 2: Convert to fraction form
    161,858.60/223,326.42 = 98,194.76/x
  3. Step 3: Cross multiply
    161,858.60x = 223,326.42 × 98,194.76
  4. Step 4: Simplify right side
    161,858.60x = 21,929,484,213.56
  5. Step 5: Solve for x
    x = 21,929,484,213.56/161,858.60
  6. Step 6: Final answer
    x = 135,485.44

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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.