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Finding the Fourth Proportional to 161,573.54, 222,971.01 and 89,951.72

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Solution

The fourth proportional to 161,573.54, 222,971.01 and 89,951.72 is: 124,133.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,573.54 : 222,971.01 = 89,951.72 : x
  2. Step 2: Convert to fraction form
    161,573.54/222,971.01 = 89,951.72/x
  3. Step 3: Cross multiply
    161,573.54x = 222,971.01 × 89,951.72
  4. Step 4: Simplify right side
    161,573.54x = 20,056,625,859.64
  5. Step 5: Solve for x
    x = 20,056,625,859.64/161,573.54
  6. Step 6: Final answer
    x = 124,133.11

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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.