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Finding the Fourth Proportional to 116,837.63, 161,235.72 and 63,122.48

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Solution

The fourth proportional to 116,837.63, 161,235.72 and 63,122.48 is: 87,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,837.63 : 161,235.72 = 63,122.48 : x
  2. Step 2: Convert to fraction form
    116,837.63/161,235.72 = 63,122.48/x
  3. Step 3: Cross multiply
    116,837.63x = 161,235.72 × 63,122.48
  4. Step 4: Simplify right side
    116,837.63x = 10,177,597,704.81
  5. Step 5: Solve for x
    x = 10,177,597,704.81/116,837.63
  6. Step 6: Final answer
    x = 87,108.91

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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.