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Finding the Fourth Proportional to 223,895.40, 335,843.10 and 83,646.60

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Solution

The fourth proportional to 223,895.40, 335,843.10 and 83,646.60 is: 125,469.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,895.40 : 335,843.10 = 83,646.60 : x
  2. Step 2: Convert to fraction form
    223,895.40/335,843.10 = 83,646.60/x
  3. Step 3: Cross multiply
    223,895.40x = 335,843.10 × 83,646.60
  4. Step 4: Simplify right side
    223,895.40x = 28,092,133,448.46
  5. Step 5: Solve for x
    x = 28,092,133,448.46/223,895.40
  6. Step 6: Final answer
    x = 125,469.90

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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.