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Finding the Fourth Proportional to 223,593.60, 308,542.32 and 122,998.08

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Solution

The fourth proportional to 223,593.60, 308,542.32 and 122,998.08 is: 169,728.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,593.60 : 308,542.32 = 122,998.08 : x
  2. Step 2: Convert to fraction form
    223,593.60/308,542.32 = 122,998.08/x
  3. Step 3: Cross multiply
    223,593.60x = 308,542.32 × 122,998.08
  4. Step 4: Simplify right side
    223,593.60x = 37,950,112,958.75
  5. Step 5: Solve for x
    x = 37,950,112,958.75/223,593.60
  6. Step 6: Final answer
    x = 169,728.08

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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.