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Finding the Fourth Proportional to 195,555.25, 269,866.25 and 106,131.25

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Solution

The fourth proportional to 195,555.25, 269,866.25 and 106,131.25 is: 146,461.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,555.25 : 269,866.25 = 106,131.25 : x
  2. Step 2: Convert to fraction form
    195,555.25/269,866.25 = 106,131.25/x
  3. Step 3: Cross multiply
    195,555.25x = 269,866.25 × 106,131.25
  4. Step 4: Simplify right side
    195,555.25x = 28,641,242,445.31
  5. Step 5: Solve for x
    x = 28,641,242,445.31/195,555.25
  6. Step 6: Final answer
    x = 146,461.13

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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.