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Finding the Fourth Proportional to 168,022.40, 231,870.77 and 92,570.90

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Solution

The fourth proportional to 168,022.40, 231,870.77 and 92,570.90 is: 127,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,022.40 : 231,870.77 = 92,570.90 : x
  2. Step 2: Convert to fraction form
    168,022.40/231,870.77 = 92,570.90/x
  3. Step 3: Cross multiply
    168,022.40x = 231,870.77 × 92,570.90
  4. Step 4: Simplify right side
    168,022.40x = 21,464,484,934.67
  5. Step 5: Solve for x
    x = 21,464,484,934.67/168,022.40
  6. Step 6: Final answer
    x = 127,747.76

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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.