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Finding the Fourth Proportional to 223,593.87, 308,531.46 and 151,154.33

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Solution

The fourth proportional to 223,593.87, 308,531.46 and 151,154.33 is: 208,573.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,593.87 : 308,531.46 = 151,154.33 : x
  2. Step 2: Convert to fraction form
    223,593.87/308,531.46 = 151,154.33/x
  3. Step 3: Cross multiply
    223,593.87x = 308,531.46 × 151,154.33
  4. Step 4: Simplify right side
    223,593.87x = 46,635,866,120.22
  5. Step 5: Solve for x
    x = 46,635,866,120.22/223,593.87
  6. Step 6: Final answer
    x = 208,573.99

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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.