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Finding the Fourth Proportional to 222,800.20, 307,483.71 and 122,217.64

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Solution

The fourth proportional to 222,800.20, 307,483.71 and 122,217.64 is: 168,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,800.20 : 307,483.71 = 122,217.64 : x
  2. Step 2: Convert to fraction form
    222,800.20/307,483.71 = 122,217.64/x
  3. Step 3: Cross multiply
    222,800.20x = 307,483.71 × 122,217.64
  4. Step 4: Simplify right side
    222,800.20x = 37,579,933,374.64
  5. Step 5: Solve for x
    x = 37,579,933,374.64/222,800.20
  6. Step 6: Final answer
    x = 168,671.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.