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Finding the Fourth Proportional to 281,430.54, 422,189.01 and 94,398.30

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Solution

The fourth proportional to 281,430.54, 422,189.01 and 94,398.30 is: 141,611.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,430.54 : 422,189.01 = 94,398.30 : x
  2. Step 2: Convert to fraction form
    281,430.54/422,189.01 = 94,398.30/x
  3. Step 3: Cross multiply
    281,430.54x = 422,189.01 × 94,398.30
  4. Step 4: Simplify right side
    281,430.54x = 39,853,924,822.68
  5. Step 5: Solve for x
    x = 39,853,924,822.68/281,430.54
  6. Step 6: Final answer
    x = 141,611.94

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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.