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Finding the Fourth Proportional to 281,254.60, 421,881.90 and 94,272.20

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Solution

The fourth proportional to 281,254.60, 421,881.90 and 94,272.20 is: 141,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,254.60 : 421,881.90 = 94,272.20 : x
  2. Step 2: Convert to fraction form
    281,254.60/421,881.90 = 94,272.20/x
  3. Step 3: Cross multiply
    281,254.60x = 421,881.90 × 94,272.20
  4. Step 4: Simplify right side
    281,254.60x = 39,771,734,853.18
  5. Step 5: Solve for x
    x = 39,771,734,853.18/281,254.60
  6. Step 6: Final answer
    x = 141,408.30

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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.