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Finding the Fourth Proportional to 225,674.04, 311,418.18 and 130,175.04

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Solution

The fourth proportional to 225,674.04, 311,418.18 and 130,175.04 is: 179,634.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,674.04 : 311,418.18 = 130,175.04 : x
  2. Step 2: Convert to fraction form
    225,674.04/311,418.18 = 130,175.04/x
  3. Step 3: Cross multiply
    225,674.04x = 311,418.18 × 130,175.04
  4. Step 4: Simplify right side
    225,674.04x = 40,538,874,038.23
  5. Step 5: Solve for x
    x = 40,538,874,038.23/225,674.04
  6. Step 6: Final answer
    x = 179,634.64

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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.