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Finding the Fourth Proportional to 222,603.06, 307,191.50 and 120,628.92

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Solution

The fourth proportional to 222,603.06, 307,191.50 and 120,628.92 is: 166,467.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,603.06 : 307,191.50 = 120,628.92 : x
  2. Step 2: Convert to fraction form
    222,603.06/307,191.50 = 120,628.92/x
  3. Step 3: Cross multiply
    222,603.06x = 307,191.50 × 120,628.92
  4. Step 4: Simplify right side
    222,603.06x = 37,056,178,878.18
  5. Step 5: Solve for x
    x = 37,056,178,878.18/222,603.06
  6. Step 6: Final answer
    x = 166,467.52

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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.