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Finding the Fourth Proportional to 117,235.44, 161,799.12 and 66,250.32

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Solution

The fourth proportional to 117,235.44, 161,799.12 and 66,250.32 is: 91,433.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,235.44 : 161,799.12 = 66,250.32 : x
  2. Step 2: Convert to fraction form
    117,235.44/161,799.12 = 66,250.32/x
  3. Step 3: Cross multiply
    117,235.44x = 161,799.12 × 66,250.32
  4. Step 4: Simplify right side
    117,235.44x = 10,719,243,475.72
  5. Step 5: Solve for x
    x = 10,719,243,475.72/117,235.44
  6. Step 6: Final answer
    x = 91,433.47

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1.5x scale

Why These Related Problems?

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