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Finding the Fourth Proportional to 222,603.80, 307,192.64 and 120,632.10

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Solution

The fourth proportional to 222,603.80, 307,192.64 and 120,632.10 is: 166,471.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,603.80 : 307,192.64 = 120,632.10 : x
  2. Step 2: Convert to fraction form
    222,603.80/307,192.64 = 120,632.10/x
  3. Step 3: Cross multiply
    222,603.80x = 307,192.64 × 120,632.10
  4. Step 4: Simplify right side
    222,603.80x = 37,057,293,267.74
  5. Step 5: Solve for x
    x = 37,057,293,267.74/222,603.80
  6. Step 6: Final answer
    x = 166,471.97

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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.