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Finding the Fourth Proportional to 173,129.90, 259,658.40 and 73,293.35

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Solution

The fourth proportional to 173,129.90, 259,658.40 and 73,293.35 is: 109,924.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,129.90 : 259,658.40 = 73,293.35 : x
  2. Step 2: Convert to fraction form
    173,129.90/259,658.40 = 73,293.35/x
  3. Step 3: Cross multiply
    173,129.90x = 259,658.40 × 73,293.35
  4. Step 4: Simplify right side
    173,129.90x = 19,031,233,991.64
  5. Step 5: Solve for x
    x = 19,031,233,991.64/173,129.90
  6. Step 6: Final answer
    x = 109,924.59

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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.