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Finding the Fourth Proportional to 223,574.88, 335,036.26 and 103,668.50

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Solution

The fourth proportional to 223,574.88, 335,036.26 and 103,668.50 is: 155,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,574.88 : 335,036.26 = 103,668.50 : x
  2. Step 2: Convert to fraction form
    223,574.88/335,036.26 = 103,668.50/x
  3. Step 3: Cross multiply
    223,574.88x = 335,036.26 × 103,668.50
  4. Step 4: Simplify right side
    223,574.88x = 34,732,706,519.81
  5. Step 5: Solve for x
    x = 34,732,706,519.81/223,574.88
  6. Step 6: Final answer
    x = 155,351.56

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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.