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Finding the Fourth Proportional to 117,293.58, 161,958.32 and 108,337.82

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Solution

The fourth proportional to 117,293.58, 161,958.32 and 108,337.82 is: 149,592.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,293.58 : 161,958.32 = 108,337.82 : x
  2. Step 2: Convert to fraction form
    117,293.58/161,958.32 = 108,337.82/x
  3. Step 3: Cross multiply
    117,293.58x = 161,958.32 × 108,337.82
  4. Step 4: Simplify right side
    117,293.58x = 17,546,209,968.18
  5. Step 5: Solve for x
    x = 17,546,209,968.18/117,293.58
  6. Step 6: Final answer
    x = 149,592.25

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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.