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Finding the Fourth Proportional to 117,047.36, 161,525.34 and 63,332.42

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Solution

The fourth proportional to 117,047.36, 161,525.34 and 63,332.42 is: 87,398.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,047.36 : 161,525.34 = 63,332.42 : x
  2. Step 2: Convert to fraction form
    117,047.36/161,525.34 = 63,332.42/x
  3. Step 3: Cross multiply
    117,047.36x = 161,525.34 × 63,332.42
  4. Step 4: Simplify right side
    117,047.36x = 10,229,789,865.90
  5. Step 5: Solve for x
    x = 10,229,789,865.90/117,047.36
  6. Step 6: Final answer
    x = 87,398.72

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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.