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Finding the Fourth Proportional to 225,091.97, 337,637.95 and 91,972.10

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Solution

The fourth proportional to 225,091.97, 337,637.95 and 91,972.10 is: 137,958.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,091.97 : 337,637.95 = 91,972.10 : x
  2. Step 2: Convert to fraction form
    225,091.97/337,637.95 = 91,972.10/x
  3. Step 3: Cross multiply
    225,091.97x = 337,637.95 × 91,972.10
  4. Step 4: Simplify right side
    225,091.97x = 31,053,271,301.20
  5. Step 5: Solve for x
    x = 31,053,271,301.20/225,091.97
  6. Step 6: Final answer
    x = 137,958.15

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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.