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Finding the Fourth Proportional to 117,464.48, 161,921.92 and 92,270.24

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Solution

The fourth proportional to 117,464.48, 161,921.92 and 92,270.24 is: 127,192.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,464.48 : 161,921.92 = 92,270.24 : x
  2. Step 2: Convert to fraction form
    117,464.48/161,921.92 = 92,270.24/x
  3. Step 3: Cross multiply
    117,464.48x = 161,921.92 × 92,270.24
  4. Step 4: Simplify right side
    117,464.48x = 14,940,574,419.66
  5. Step 5: Solve for x
    x = 14,940,574,419.66/117,464.48
  6. Step 6: Final answer
    x = 127,192.27

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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.