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Finding the Fourth Proportional to 161,191.25, 222,446.23 and 88,600.86

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Solution

The fourth proportional to 161,191.25, 222,446.23 and 88,600.86 is: 122,270.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,191.25 : 222,446.23 = 88,600.86 : x
  2. Step 2: Convert to fraction form
    161,191.25/222,446.23 = 88,600.86/x
  3. Step 3: Cross multiply
    161,191.25x = 222,446.23 × 88,600.86
  4. Step 4: Simplify right side
    161,191.25x = 19,708,927,281.76
  5. Step 5: Solve for x
    x = 19,708,927,281.76/161,191.25
  6. Step 6: Final answer
    x = 122,270.45

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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.