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Finding the Fourth Proportional to 171,661.76, 236,846.27 and 102,723.47

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Solution

The fourth proportional to 171,661.76, 236,846.27 and 102,723.47 is: 141,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,661.76 : 236,846.27 = 102,723.47 : x
  2. Step 2: Convert to fraction form
    171,661.76/236,846.27 = 102,723.47/x
  3. Step 3: Cross multiply
    171,661.76x = 236,846.27 × 102,723.47
  4. Step 4: Simplify right side
    171,661.76x = 24,329,671,974.53
  5. Step 5: Solve for x
    x = 24,329,671,974.53/171,661.76
  6. Step 6: Final answer
    x = 141,730.30

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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.