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Finding the Fourth Proportional to 281,622.80, 422,488.58 and 92,032.03

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Solution

The fourth proportional to 281,622.80, 422,488.58 and 92,032.03 is: 138,065.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,622.80 : 422,488.58 = 92,032.03 : x
  2. Step 2: Convert to fraction form
    281,622.80/422,488.58 = 92,032.03/x
  3. Step 3: Cross multiply
    281,622.80x = 422,488.58 × 92,032.03
  4. Step 4: Simplify right side
    281,622.80x = 38,882,482,254.85
  5. Step 5: Solve for x
    x = 38,882,482,254.85/281,622.80
  6. Step 6: Final answer
    x = 138,065.82

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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.