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Finding the Fourth Proportional to 123,857.77, 170,924.59 and 67,269.14

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Solution

The fourth proportional to 123,857.77, 170,924.59 and 67,269.14 is: 92,831.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,857.77 : 170,924.59 = 67,269.14 : x
  2. Step 2: Convert to fraction form
    123,857.77/170,924.59 = 67,269.14/x
  3. Step 3: Cross multiply
    123,857.77x = 170,924.59 × 67,269.14
  4. Step 4: Simplify right side
    123,857.77x = 11,497,950,619.91
  5. Step 5: Solve for x
    x = 11,497,950,619.91/123,857.77
  6. Step 6: Final answer
    x = 92,831.89

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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.