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Finding the Fourth Proportional to 223,712.63, 308,724.03 and 123,110.63

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Solution

The fourth proportional to 223,712.63, 308,724.03 and 123,110.63 is: 169,893.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,712.63 : 308,724.03 = 123,110.63 : x
  2. Step 2: Convert to fraction form
    223,712.63/308,724.03 = 123,110.63/x
  3. Step 3: Cross multiply
    223,712.63x = 308,724.03 × 123,110.63
  4. Step 4: Simplify right side
    223,712.63x = 38,007,208,285.82
  5. Step 5: Solve for x
    x = 38,007,208,285.82/223,712.63
  6. Step 6: Final answer
    x = 169,893.00

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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.