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Finding the Fourth Proportional to 171,704.73, 237,001.95 and 103,710.90

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Solution

The fourth proportional to 171,704.73, 237,001.95 and 103,710.90 is: 143,150.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,704.73 : 237,001.95 = 103,710.90 : x
  2. Step 2: Convert to fraction form
    171,704.73/237,001.95 = 103,710.90/x
  3. Step 3: Cross multiply
    171,704.73x = 237,001.95 × 103,710.90
  4. Step 4: Simplify right side
    171,704.73x = 24,579,685,536.26
  5. Step 5: Solve for x
    x = 24,579,685,536.26/171,704.73
  6. Step 6: Final answer
    x = 143,150.89

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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.