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Finding the Fourth Proportional to 171,449.69, 236,603.90 and 102,610.01

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Solution

The fourth proportional to 171,449.69, 236,603.90 and 102,610.01 is: 141,603.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,449.69 : 236,603.90 = 102,610.01 : x
  2. Step 2: Convert to fraction form
    171,449.69/236,603.90 = 102,610.01/x
  3. Step 3: Cross multiply
    171,449.69x = 236,603.90 × 102,610.01
  4. Step 4: Simplify right side
    171,449.69x = 24,277,929,393.07
  5. Step 5: Solve for x
    x = 24,277,929,393.07/171,449.69
  6. Step 6: Final answer
    x = 141,603.81

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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.