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Finding the Fourth Proportional to 66,183, 91,330.48 and 37,886.80

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Solution

The fourth proportional to 66,183, 91,330.48 and 37,886.80 is: 52,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,183 : 91,330.48 = 37,886.80 : x
  2. Step 2: Convert to fraction form
    66,183/91,330.48 = 37,886.80/x
  3. Step 3: Cross multiply
    66,183x = 91,330.48 × 37,886.80
  4. Step 4: Simplify right side
    66,183x = 3,460,219,629.66
  5. Step 5: Solve for x
    x = 3,460,219,629.66/66,183
  6. Step 6: Final answer
    x = 52,282.60

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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.