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Finding the Fourth Proportional to 173,615.98, 260,448.18 and 53,682.72

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Solution

The fourth proportional to 173,615.98, 260,448.18 and 53,682.72 is: 80,531.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,615.98 : 260,448.18 = 53,682.72 : x
  2. Step 2: Convert to fraction form
    173,615.98/260,448.18 = 53,682.72/x
  3. Step 3: Cross multiply
    173,615.98x = 260,448.18 × 53,682.72
  4. Step 4: Simplify right side
    173,615.98x = 13,981,566,721.45
  5. Step 5: Solve for x
    x = 13,981,566,721.45/173,615.98
  6. Step 6: Final answer
    x = 80,531.57

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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.