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Finding the Fourth Proportional to 61,201.93, 91,716.69 and 48,666.31

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Solution

The fourth proportional to 61,201.93, 91,716.69 and 48,666.31 is: 72,930.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,201.93 : 91,716.69 = 48,666.31 : x
  2. Step 2: Convert to fraction form
    61,201.93/91,716.69 = 48,666.31/x
  3. Step 3: Cross multiply
    61,201.93x = 91,716.69 × 48,666.31
  4. Step 4: Simplify right side
    61,201.93x = 4,463,512,867.71
  5. Step 5: Solve for x
    x = 4,463,512,867.71/61,201.93
  6. Step 6: Final answer
    x = 72,930.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.