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Finding the Fourth Proportional to 161,611.32, 223,022.70 and 94,541.88

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Solution

The fourth proportional to 161,611.32, 223,022.70 and 94,541.88 is: 130,467.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,611.32 : 223,022.70 = 94,541.88 : x
  2. Step 2: Convert to fraction form
    161,611.32/223,022.70 = 94,541.88/x
  3. Step 3: Cross multiply
    161,611.32x = 223,022.70 × 94,541.88
  4. Step 4: Simplify right side
    161,611.32x = 21,084,985,340.68
  5. Step 5: Solve for x
    x = 21,084,985,340.68/161,611.32
  6. Step 6: Final answer
    x = 130,467.26

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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.