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Finding the Fourth Proportional to 223,383.40, 335,036.70 and 83,069.80

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Solution

The fourth proportional to 223,383.40, 335,036.70 and 83,069.80 is: 124,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,383.40 : 335,036.70 = 83,069.80 : x
  2. Step 2: Convert to fraction form
    223,383.40/335,036.70 = 83,069.80/x
  3. Step 3: Cross multiply
    223,383.40x = 335,036.70 × 83,069.80
  4. Step 4: Simplify right side
    223,383.40x = 27,831,431,661.66
  5. Step 5: Solve for x
    x = 27,831,431,661.66/223,383.40
  6. Step 6: Final answer
    x = 124,590.42

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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.