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Finding the Fourth Proportional to 222,749.60, 334,137.20 and 65,002.40

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Solution

The fourth proportional to 222,749.60, 334,137.20 and 65,002.40 is: 97,507.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,749.60 : 334,137.20 = 65,002.40 : x
  2. Step 2: Convert to fraction form
    222,749.60/334,137.20 = 65,002.40/x
  3. Step 3: Cross multiply
    222,749.60x = 334,137.20 × 65,002.40
  4. Step 4: Simplify right side
    222,749.60x = 21,719,719,929.28
  5. Step 5: Solve for x
    x = 21,719,719,929.28/222,749.60
  6. Step 6: Final answer
    x = 97,507.34

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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.