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Finding the Fourth Proportional to 352,858.95, 529,308.71 and 100,119.66

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Solution

The fourth proportional to 352,858.95, 529,308.71 and 100,119.66 is: 150,185.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,858.95 : 529,308.71 = 100,119.66 : x
  2. Step 2: Convert to fraction form
    352,858.95/529,308.71 = 100,119.66/x
  3. Step 3: Cross multiply
    352,858.95x = 529,308.71 × 100,119.66
  4. Step 4: Simplify right side
    352,858.95x = 52,994,208,947.54
  5. Step 5: Solve for x
    x = 52,994,208,947.54/352,858.95
  6. Step 6: Final answer
    x = 150,185.25

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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.