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Finding the Fourth Proportional to 223,563.87, 335,019.77 and 103,657.50

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Solution

The fourth proportional to 223,563.87, 335,019.77 and 103,657.50 is: 155,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,563.87 : 335,019.77 = 103,657.50 : x
  2. Step 2: Convert to fraction form
    223,563.87/335,019.77 = 103,657.50/x
  3. Step 3: Cross multiply
    223,563.87x = 335,019.77 × 103,657.50
  4. Step 4: Simplify right side
    223,563.87x = 34,727,311,028.50
  5. Step 5: Solve for x
    x = 34,727,311,028.50/223,563.87
  6. Step 6: Final answer
    x = 155,335.08

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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.