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Finding the Fourth Proportional to 173,166.90, 259,713.90 and 73,330.35

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Solution

The fourth proportional to 173,166.90, 259,713.90 and 73,330.35 is: 109,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,166.90 : 259,713.90 = 73,330.35 : x
  2. Step 2: Convert to fraction form
    173,166.90/259,713.90 = 73,330.35/x
  3. Step 3: Cross multiply
    173,166.90x = 259,713.90 × 73,330.35
  4. Step 4: Simplify right side
    173,166.90x = 19,044,911,186.87
  5. Step 5: Solve for x
    x = 19,044,911,186.87/173,166.90
  6. Step 6: Final answer
    x = 109,980.09

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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.