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Finding the Fourth Proportional to 173,300.90, 259,960.59 and 54,981.35

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Solution

The fourth proportional to 173,300.90, 259,960.59 and 54,981.35 is: 82,474.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,300.90 : 259,960.59 = 54,981.35 : x
  2. Step 2: Convert to fraction form
    173,300.90/259,960.59 = 54,981.35/x
  3. Step 3: Cross multiply
    173,300.90x = 259,960.59 × 54,981.35
  4. Step 4: Simplify right side
    173,300.90x = 14,292,984,185.00
  5. Step 5: Solve for x
    x = 14,292,984,185.00/173,300.90
  6. Step 6: Final answer
    x = 82,474.96

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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.