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Finding the Fourth Proportional to 167,296.91, 230,870.36 and 90,816.15

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Solution

The fourth proportional to 167,296.91, 230,870.36 and 90,816.15 is: 125,326.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,296.91 : 230,870.36 = 90,816.15 : x
  2. Step 2: Convert to fraction form
    167,296.91/230,870.36 = 90,816.15/x
  3. Step 3: Cross multiply
    167,296.91x = 230,870.36 × 90,816.15
  4. Step 4: Simplify right side
    167,296.91x = 20,966,756,790.23
  5. Step 5: Solve for x
    x = 20,966,756,790.23/167,296.91
  6. Step 6: Final answer
    x = 125,326.63

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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.