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Finding the Fourth Proportional to 223,598.78, 308,739.52 and 171,833.89

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Solution

The fourth proportional to 223,598.78, 308,739.52 and 171,833.89 is: 237,263.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,598.78 : 308,739.52 = 171,833.89 : x
  2. Step 2: Convert to fraction form
    223,598.78/308,739.52 = 171,833.89/x
  3. Step 3: Cross multiply
    223,598.78x = 308,739.52 × 171,833.89
  4. Step 4: Simplify right side
    223,598.78x = 53,051,910,530.26
  5. Step 5: Solve for x
    x = 53,051,910,530.26/223,598.78
  6. Step 6: Final answer
    x = 237,263.86

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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.