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Finding the Fourth Proportional to 223,743.06, 335,603.66 and 83,490.75

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Solution

The fourth proportional to 223,743.06, 335,603.66 and 83,490.75 is: 125,232.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,743.06 : 335,603.66 = 83,490.75 : x
  2. Step 2: Convert to fraction form
    223,743.06/335,603.66 = 83,490.75/x
  3. Step 3: Cross multiply
    223,743.06x = 335,603.66 × 83,490.75
  4. Step 4: Simplify right side
    223,743.06x = 28,019,800,858.69
  5. Step 5: Solve for x
    x = 28,019,800,858.69/223,743.06
  6. Step 6: Final answer
    x = 125,232.04

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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.