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Finding the Fourth Proportional to 281,624.98, 422,430.17 and 94,636.48

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Solution

The fourth proportional to 281,624.98, 422,430.17 and 94,636.48 is: 141,952.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,624.98 : 422,430.17 = 94,636.48 : x
  2. Step 2: Convert to fraction form
    281,624.98/422,430.17 = 94,636.48/x
  3. Step 3: Cross multiply
    281,624.98x = 422,430.17 × 94,636.48
  4. Step 4: Simplify right side
    281,624.98x = 39,977,304,334.60
  5. Step 5: Solve for x
    x = 39,977,304,334.60/281,624.98
  6. Step 6: Final answer
    x = 141,952.27

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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.