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Finding the Fourth Proportional to 173,860.26, 260,831.07 and 53,910.90

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Solution

The fourth proportional to 173,860.26, 260,831.07 and 53,910.90 is: 80,878.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,860.26 : 260,831.07 = 53,910.90 : x
  2. Step 2: Convert to fraction form
    173,860.26/260,831.07 = 53,910.90/x
  3. Step 3: Cross multiply
    173,860.26x = 260,831.07 × 53,910.90
  4. Step 4: Simplify right side
    173,860.26x = 14,061,637,731.66
  5. Step 5: Solve for x
    x = 14,061,637,731.66/173,860.26
  6. Step 6: Final answer
    x = 80,878.96

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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.