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Finding the Fourth Proportional to 85,394.68, 117,837.66 and 49,573.24

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Solution

The fourth proportional to 85,394.68, 117,837.66 and 49,573.24 is: 68,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,394.68 : 117,837.66 = 49,573.24 : x
  2. Step 2: Convert to fraction form
    85,394.68/117,837.66 = 49,573.24/x
  3. Step 3: Cross multiply
    85,394.68x = 117,837.66 × 49,573.24
  4. Step 4: Simplify right side
    85,394.68x = 5,841,594,600.22
  5. Step 5: Solve for x
    x = 5,841,594,600.22/85,394.68
  6. Step 6: Final answer
    x = 68,407.01

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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.