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Finding the Fourth Proportional to 173,127.68, 259,658.71 and 60,781.49

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Solution

The fourth proportional to 173,127.68, 259,658.71 and 60,781.49 is: 91,160.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,127.68 : 259,658.71 = 60,781.49 : x
  2. Step 2: Convert to fraction form
    173,127.68/259,658.71 = 60,781.49/x
  3. Step 3: Cross multiply
    173,127.68x = 259,658.71 × 60,781.49
  4. Step 4: Simplify right side
    173,127.68x = 15,782,441,835.03
  5. Step 5: Solve for x
    x = 15,782,441,835.03/173,127.68
  6. Step 6: Final answer
    x = 91,160.71

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1.5x scale

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.