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Finding the Fourth Proportional to 223,453.94, 308,427.63 and 131,653.94

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Solution

The fourth proportional to 223,453.94, 308,427.63 and 131,653.94 is: 181,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,453.94 : 308,427.63 = 131,653.94 : x
  2. Step 2: Convert to fraction form
    223,453.94/308,427.63 = 131,653.94/x
  3. Step 3: Cross multiply
    223,453.94x = 308,427.63 × 131,653.94
  4. Step 4: Simplify right side
    223,453.94x = 40,605,712,694.36
  5. Step 5: Solve for x
    x = 40,605,712,694.36/223,453.94
  6. Step 6: Final answer
    x = 181,718.49

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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.