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Finding the Fourth Proportional to 222,408.60, 333,612.90 and 97,749.60

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Solution

The fourth proportional to 222,408.60, 333,612.90 and 97,749.60 is: 146,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,408.60 : 333,612.90 = 97,749.60 : x
  2. Step 2: Convert to fraction form
    222,408.60/333,612.90 = 97,749.60/x
  3. Step 3: Cross multiply
    222,408.60x = 333,612.90 × 97,749.60
  4. Step 4: Simplify right side
    222,408.60x = 32,610,527,529.84
  5. Step 5: Solve for x
    x = 32,610,527,529.84/222,408.60
  6. Step 6: Final answer
    x = 146,624.40

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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.