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Finding the Fourth Proportional to 235,384.36, 352,994.73 and 100,442.97

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Solution

The fourth proportional to 235,384.36, 352,994.73 and 100,442.97 is: 150,629.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,384.36 : 352,994.73 = 100,442.97 : x
  2. Step 2: Convert to fraction form
    235,384.36/352,994.73 = 100,442.97/x
  3. Step 3: Cross multiply
    235,384.36x = 352,994.73 × 100,442.97
  4. Step 4: Simplify right side
    235,384.36x = 35,455,839,075.55
  5. Step 5: Solve for x
    x = 35,455,839,075.55/235,384.36
  6. Step 6: Final answer
    x = 150,629.55

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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.