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Finding the Fourth Proportional to 195,570.95, 269,887.89 and 106,146.95

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Solution

The fourth proportional to 195,570.95, 269,887.89 and 106,146.95 is: 146,482.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,570.95 : 269,887.89 = 106,146.95 : x
  2. Step 2: Convert to fraction form
    195,570.95/269,887.89 = 106,146.95/x
  3. Step 3: Cross multiply
    195,570.95x = 269,887.89 × 106,146.95
  4. Step 4: Simplify right side
    195,570.95x = 28,647,775,016.00
  5. Step 5: Solve for x
    x = 28,647,775,016.00/195,570.95
  6. Step 6: Final answer
    x = 146,482.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.