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Finding the Fourth Proportional to 281,549.60, 422,090.80 and 104,023.20

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Solution

The fourth proportional to 281,549.60, 422,090.80 and 104,023.20 is: 155,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,549.60 : 422,090.80 = 104,023.20 : x
  2. Step 2: Convert to fraction form
    281,549.60/422,090.80 = 104,023.20/x
  3. Step 3: Cross multiply
    281,549.60x = 422,090.80 × 104,023.20
  4. Step 4: Simplify right side
    281,549.60x = 43,907,235,706.56
  5. Step 5: Solve for x
    x = 43,907,235,706.56/281,549.60
  6. Step 6: Final answer
    x = 155,948.49

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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.