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Finding the Fourth Proportional to 91,593.93, 126,336.51 and 64,427.64

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Solution

The fourth proportional to 91,593.93, 126,336.51 and 64,427.64 is: 88,865.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,593.93 : 126,336.51 = 64,427.64 : x
  2. Step 2: Convert to fraction form
    91,593.93/126,336.51 = 64,427.64/x
  3. Step 3: Cross multiply
    91,593.93x = 126,336.51 × 64,427.64
  4. Step 4: Simplify right side
    91,593.93x = 8,139,563,185.14
  5. Step 5: Solve for x
    x = 8,139,563,185.14/91,593.93
  6. Step 6: Final answer
    x = 88,865.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.