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Finding the Fourth Proportional to 202,886.20, 304,329.30 and 109,574.20

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Solution

The fourth proportional to 202,886.20, 304,329.30 and 109,574.20 is: 164,361.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,886.20 : 304,329.30 = 109,574.20 : x
  2. Step 2: Convert to fraction form
    202,886.20/304,329.30 = 109,574.20/x
  3. Step 3: Cross multiply
    202,886.20x = 304,329.30 × 109,574.20
  4. Step 4: Simplify right side
    202,886.20x = 33,346,639,584.06
  5. Step 5: Solve for x
    x = 33,346,639,584.06/202,886.20
  6. Step 6: Final answer
    x = 164,361.30

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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.