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Finding the Fourth Proportional to 222,431.60, 333,647.40 and 97,772.60

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Solution

The fourth proportional to 222,431.60, 333,647.40 and 97,772.60 is: 146,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,431.60 : 333,647.40 = 97,772.60 : x
  2. Step 2: Convert to fraction form
    222,431.60/333,647.40 = 97,772.60/x
  3. Step 3: Cross multiply
    222,431.60x = 333,647.40 × 97,772.60
  4. Step 4: Simplify right side
    222,431.60x = 32,621,573,781.24
  5. Step 5: Solve for x
    x = 32,621,573,781.24/222,431.60
  6. Step 6: Final answer
    x = 146,658.90

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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.