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Finding the Fourth Proportional to 117,293.37, 161,867.36 and 66,303.06

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Solution

The fourth proportional to 117,293.37, 161,867.36 and 66,303.06 is: 91,499.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,293.37 : 161,867.36 = 66,303.06 : x
  2. Step 2: Convert to fraction form
    117,293.37/161,867.36 = 66,303.06/x
  3. Step 3: Cross multiply
    117,293.37x = 161,867.36 × 66,303.06
  4. Step 4: Simplify right side
    117,293.37x = 10,732,300,840.88
  5. Step 5: Solve for x
    x = 10,732,300,840.88/117,293.37
  6. Step 6: Final answer
    x = 91,499.64

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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.