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Finding the Fourth Proportional to 222,327.60, 306,815.22 and 125,536.92

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Solution

The fourth proportional to 222,327.60, 306,815.22 and 125,536.92 is: 173,242.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,327.60 : 306,815.22 = 125,536.92 : x
  2. Step 2: Convert to fraction form
    222,327.60/306,815.22 = 125,536.92/x
  3. Step 3: Cross multiply
    222,327.60x = 306,815.22 × 125,536.92
  4. Step 4: Simplify right side
    222,327.60x = 38,516,637,727.92
  5. Step 5: Solve for x
    x = 38,516,637,727.92/222,327.60
  6. Step 6: Final answer
    x = 173,242.72

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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.