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Finding the Fourth Proportional to 233,611.63, 322,362.11 and 131,620.28

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Solution

The fourth proportional to 233,611.63, 322,362.11 and 131,620.28 is: 181,623.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,611.63 : 322,362.11 = 131,620.28 : x
  2. Step 2: Convert to fraction form
    233,611.63/322,362.11 = 131,620.28/x
  3. Step 3: Cross multiply
    233,611.63x = 322,362.11 × 131,620.28
  4. Step 4: Simplify right side
    233,611.63x = 42,429,389,896.83
  5. Step 5: Solve for x
    x = 42,429,389,896.83/233,611.63
  6. Step 6: Final answer
    x = 181,623.62

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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.