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Finding the Fourth Proportional to 223,592.45, 335,388.69 and 65,820.92

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Solution

The fourth proportional to 223,592.45, 335,388.69 and 65,820.92 is: 98,731.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,592.45 : 335,388.69 = 65,820.92 : x
  2. Step 2: Convert to fraction form
    223,592.45/335,388.69 = 65,820.92/x
  3. Step 3: Cross multiply
    223,592.45x = 335,388.69 × 65,820.92
  4. Step 4: Simplify right side
    223,592.45x = 22,075,590,456.45
  5. Step 5: Solve for x
    x = 22,075,590,456.45/223,592.45
  6. Step 6: Final answer
    x = 98,731.38

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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.