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Finding the Fourth Proportional to 123,858.77, 170,925.97 and 67,270.14

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Solution

The fourth proportional to 123,858.77, 170,925.97 and 67,270.14 is: 92,833.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,858.77 : 170,925.97 = 67,270.14 : x
  2. Step 2: Convert to fraction form
    123,858.77/170,925.97 = 67,270.14/x
  3. Step 3: Cross multiply
    123,858.77x = 170,925.97 × 67,270.14
  4. Step 4: Simplify right side
    123,858.77x = 11,498,213,931.54
  5. Step 5: Solve for x
    x = 11,498,213,931.54/123,858.77
  6. Step 6: Final answer
    x = 92,833.26

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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.