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Finding the Fourth Proportional to 113,957.36, 170,936.16 and 29,717.45

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Solution

The fourth proportional to 113,957.36, 170,936.16 and 29,717.45 is: 44,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,957.36 : 170,936.16 = 29,717.45 : x
  2. Step 2: Convert to fraction form
    113,957.36/170,936.16 = 29,717.45/x
  3. Step 3: Cross multiply
    113,957.36x = 170,936.16 × 29,717.45
  4. Step 4: Simplify right side
    113,957.36x = 5,079,785,784.72
  5. Step 5: Solve for x
    x = 5,079,785,784.72/113,957.36
  6. Step 6: Final answer
    x = 44,576.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.