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Finding the Fourth Proportional to 195,515.58, 269,810.55 and 106,091.58

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Solution

The fourth proportional to 195,515.58, 269,810.55 and 106,091.58 is: 146,405.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,515.58 : 269,810.55 = 106,091.58 : x
  2. Step 2: Convert to fraction form
    195,515.58/269,810.55 = 106,091.58/x
  3. Step 3: Cross multiply
    195,515.58x = 269,810.55 × 106,091.58
  4. Step 4: Simplify right side
    195,515.58x = 28,624,627,550.17
  5. Step 5: Solve for x
    x = 28,624,627,550.17/195,515.58
  6. Step 6: Final answer
    x = 146,405.86

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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.