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Finding the Fourth Proportional to 222,906.58, 307,730.40 and 171,807.32

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Solution

The fourth proportional to 222,906.58, 307,730.40 and 171,807.32 is: 237,186.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,906.58 : 307,730.40 = 171,807.32 : x
  2. Step 2: Convert to fraction form
    222,906.58/307,730.40 = 171,807.32/x
  3. Step 3: Cross multiply
    222,906.58x = 307,730.40 × 171,807.32
  4. Step 4: Simplify right side
    222,906.58x = 52,870,335,306.53
  5. Step 5: Solve for x
    x = 52,870,335,306.53/222,906.58
  6. Step 6: Final answer
    x = 237,186.07

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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.