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Finding the Fourth Proportional to 223,502.82, 308,000.79 and 185,317.80

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Solution

The fourth proportional to 223,502.82, 308,000.79 and 185,317.80 is: 255,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,502.82 : 308,000.79 = 185,317.80 : x
  2. Step 2: Convert to fraction form
    223,502.82/308,000.79 = 185,317.80/x
  3. Step 3: Cross multiply
    223,502.82x = 308,000.79 × 185,317.80
  4. Step 4: Simplify right side
    223,502.82x = 57,078,028,801.06
  5. Step 5: Solve for x
    x = 57,078,028,801.06/223,502.82
  6. Step 6: Final answer
    x = 255,379.46

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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.