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Finding the Fourth Proportional to 223,234.00, 308,068.48 and 121,259.43

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Solution

The fourth proportional to 223,234.00, 308,068.48 and 121,259.43 is: 167,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,234.00 : 308,068.48 = 121,259.43 : x
  2. Step 2: Convert to fraction form
    223,234.00/308,068.48 = 121,259.43/x
  3. Step 3: Cross multiply
    223,234.00x = 308,068.48 × 121,259.43
  4. Step 4: Simplify right side
    223,234.00x = 37,356,207,982.62
  5. Step 5: Solve for x
    x = 37,356,207,982.62/223,234.00
  6. Step 6: Final answer
    x = 167,341.03

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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.