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Finding the Fourth Proportional to 117,840.57, 162,591.60 and 69,444.48

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Solution

The fourth proportional to 117,840.57, 162,591.60 and 69,444.48 is: 95,816.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,840.57 : 162,591.60 = 69,444.48 : x
  2. Step 2: Convert to fraction form
    117,840.57/162,591.60 = 69,444.48/x
  3. Step 3: Cross multiply
    117,840.57x = 162,591.60 × 69,444.48
  4. Step 4: Simplify right side
    117,840.57x = 11,291,089,114.37
  5. Step 5: Solve for x
    x = 11,291,089,114.37/117,840.57
  6. Step 6: Final answer
    x = 95,816.65

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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.