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Finding the Fourth Proportional to 223,326.72, 333,953.28 and 172,834.56

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Solution

The fourth proportional to 223,326.72, 333,953.28 and 172,834.56 is: 258,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,326.72 : 333,953.28 = 172,834.56 : x
  2. Step 2: Convert to fraction form
    223,326.72/333,953.28 = 172,834.56/x
  3. Step 3: Cross multiply
    223,326.72x = 333,953.28 × 172,834.56
  4. Step 4: Simplify right side
    223,326.72x = 57,718,668,209.36
  5. Step 5: Solve for x
    x = 57,718,668,209.36/223,326.72
  6. Step 6: Final answer
    x = 258,449.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.