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Finding the Fourth Proportional to 223,155.43, 334,733.07 and 65,383.84

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Solution

The fourth proportional to 223,155.43, 334,733.07 and 65,383.84 is: 98,075.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,155.43 : 334,733.07 = 65,383.84 : x
  2. Step 2: Convert to fraction form
    223,155.43/334,733.07 = 65,383.84/x
  3. Step 3: Cross multiply
    223,155.43x = 334,733.07 × 65,383.84
  4. Step 4: Simplify right side
    223,155.43x = 21,886,131,817.92
  5. Step 5: Solve for x
    x = 21,886,131,817.92/223,155.43
  6. Step 6: Final answer
    x = 98,075.73

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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.