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Finding the Fourth Proportional to 169,627.04, 255,540.62 and 161,374.88

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Solution

The fourth proportional to 169,627.04, 255,540.62 and 161,374.88 is: 243,108.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,627.04 : 255,540.62 = 161,374.88 : x
  2. Step 2: Convert to fraction form
    169,627.04/255,540.62 = 161,374.88/x
  3. Step 3: Cross multiply
    169,627.04x = 255,540.62 × 161,374.88
  4. Step 4: Simplify right side
    169,627.04x = 41,237,836,887.63
  5. Step 5: Solve for x
    x = 41,237,836,887.63/169,627.04
  6. Step 6: Final answer
    x = 243,108.86

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.