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Finding the Fourth Proportional to 223,329.72, 333,957.78 and 172,837.56

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Solution

The fourth proportional to 223,329.72, 333,957.78 and 172,837.56 is: 258,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,329.72 : 333,957.78 = 172,837.56 : x
  2. Step 2: Convert to fraction form
    223,329.72/333,957.78 = 172,837.56/x
  3. Step 3: Cross multiply
    223,329.72x = 333,957.78 × 172,837.56
  4. Step 4: Simplify right side
    223,329.72x = 57,720,447,838.22
  5. Step 5: Solve for x
    x = 57,720,447,838.22/223,329.72
  6. Step 6: Final answer
    x = 258,453.95

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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.