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Finding the Fourth Proportional to 223,733.28, 308,866.19 and 172,631.19

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Solution

The fourth proportional to 223,733.28, 308,866.19 and 172,631.19 is: 238,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,733.28 : 308,866.19 = 172,631.19 : x
  2. Step 2: Convert to fraction form
    223,733.28/308,866.19 = 172,631.19/x
  3. Step 3: Cross multiply
    223,733.28x = 308,866.19 × 172,631.19
  4. Step 4: Simplify right side
    223,733.28x = 53,319,937,067.31
  5. Step 5: Solve for x
    x = 53,319,937,067.31/223,733.28
  6. Step 6: Final answer
    x = 238,319.20

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.