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Finding the Fourth Proportional to 199,272.03, 298,700.41 and 86,922.06

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Solution

The fourth proportional to 199,272.03, 298,700.41 and 86,922.06 is: 130,292.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,272.03 : 298,700.41 = 86,922.06 : x
  2. Step 2: Convert to fraction form
    199,272.03/298,700.41 = 86,922.06/x
  3. Step 3: Cross multiply
    199,272.03x = 298,700.41 × 86,922.06
  4. Step 4: Simplify right side
    199,272.03x = 25,963,654,960.04
  5. Step 5: Solve for x
    x = 25,963,654,960.04/199,272.03
  6. Step 6: Final answer
    x = 130,292.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.