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Finding the Fourth Proportional to 147,067.92, 202,888.80 and 98,020.80

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Solution

The fourth proportional to 147,067.92, 202,888.80 and 98,020.80 is: 135,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,067.92 : 202,888.80 = 98,020.80 : x
  2. Step 2: Convert to fraction form
    147,067.92/202,888.80 = 98,020.80/x
  3. Step 3: Cross multiply
    147,067.92x = 202,888.80 × 98,020.80
  4. Step 4: Simplify right side
    147,067.92x = 19,887,322,487.04
  5. Step 5: Solve for x
    x = 19,887,322,487.04/147,067.92
  6. Step 6: Final answer
    x = 135,225.43

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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.