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Finding the Fourth Proportional to 117,337.83, 161,954.22 and 69,618.87

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Solution

The fourth proportional to 117,337.83, 161,954.22 and 69,618.87 is: 96,090.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,337.83 : 161,954.22 = 69,618.87 : x
  2. Step 2: Convert to fraction form
    117,337.83/161,954.22 = 69,618.87/x
  3. Step 3: Cross multiply
    117,337.83x = 161,954.22 × 69,618.87
  4. Step 4: Simplify right side
    117,337.83x = 11,275,069,788.13
  5. Step 5: Solve for x
    x = 11,275,069,788.13/117,337.83
  6. Step 6: Final answer
    x = 96,090.66

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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.