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Finding the Fourth Proportional to 61,993.22, 85,406.01 and 43,097.54

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Solution

The fourth proportional to 61,993.22, 85,406.01 and 43,097.54 is: 59,374.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,993.22 : 85,406.01 = 43,097.54 : x
  2. Step 2: Convert to fraction form
    61,993.22/85,406.01 = 43,097.54/x
  3. Step 3: Cross multiply
    61,993.22x = 85,406.01 × 43,097.54
  4. Step 4: Simplify right side
    61,993.22x = 3,680,788,932.22
  5. Step 5: Solve for x
    x = 3,680,788,932.22/61,993.22
  6. Step 6: Final answer
    x = 59,374.06

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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.