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Finding the Fourth Proportional to 266,515.69, 367,756.12 and 171,151.56

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Solution

The fourth proportional to 266,515.69, 367,756.12 and 171,151.56 is: 236,166.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,515.69 : 367,756.12 = 171,151.56 : x
  2. Step 2: Convert to fraction form
    266,515.69/367,756.12 = 171,151.56/x
  3. Step 3: Cross multiply
    266,515.69x = 367,756.12 × 171,151.56
  4. Step 4: Simplify right side
    266,515.69x = 62,942,033,637.55
  5. Step 5: Solve for x
    x = 62,942,033,637.55/266,515.69
  6. Step 6: Final answer
    x = 236,166.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.