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Finding the Fourth Proportional to 223,867.60, 335,412.60 and 188,875.60

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Solution

The fourth proportional to 223,867.60, 335,412.60 and 188,875.60 is: 282,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,867.60 : 335,412.60 = 188,875.60 : x
  2. Step 2: Convert to fraction form
    223,867.60/335,412.60 = 188,875.60/x
  3. Step 3: Cross multiply
    223,867.60x = 335,412.60 × 188,875.60
  4. Step 4: Simplify right side
    223,867.60x = 63,351,256,072.56
  5. Step 5: Solve for x
    x = 63,351,256,072.56/223,867.60
  6. Step 6: Final answer
    x = 282,985.37

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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.