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Finding the Fourth Proportional to 117,253.44, 161,598.24 and 85,371.84

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Solution

The fourth proportional to 117,253.44, 161,598.24 and 85,371.84 is: 117,659.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,253.44 : 161,598.24 = 85,371.84 : x
  2. Step 2: Convert to fraction form
    117,253.44/161,598.24 = 85,371.84/x
  3. Step 3: Cross multiply
    117,253.44x = 161,598.24 × 85,371.84
  4. Step 4: Simplify right side
    117,253.44x = 13,795,939,089.56
  5. Step 5: Solve for x
    x = 13,795,939,089.56/117,253.44
  6. Step 6: Final answer
    x = 117,659.14

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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.