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Finding the Fourth Proportional to 167,093.92, 230,582.80 and 99,986.08

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Solution

The fourth proportional to 167,093.92, 230,582.80 and 99,986.08 is: 137,976.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,093.92 : 230,582.80 = 99,986.08 : x
  2. Step 2: Convert to fraction form
    167,093.92/230,582.80 = 99,986.08/x
  3. Step 3: Cross multiply
    167,093.92x = 230,582.80 × 99,986.08
  4. Step 4: Simplify right side
    167,093.92x = 23,055,070,287.42
  5. Step 5: Solve for x
    x = 23,055,070,287.42/167,093.92
  6. Step 6: Final answer
    x = 137,976.72

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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.