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Finding the Fourth Proportional to 127,525.80, 191,058.30 and 109,093.80

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Solution

The fourth proportional to 127,525.80, 191,058.30 and 109,093.80 is: 163,443.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,525.80 : 191,058.30 = 109,093.80 : x
  2. Step 2: Convert to fraction form
    127,525.80/191,058.30 = 109,093.80/x
  3. Step 3: Cross multiply
    127,525.80x = 191,058.30 × 109,093.80
  4. Step 4: Simplify right side
    127,525.80x = 20,843,275,968.54
  5. Step 5: Solve for x
    x = 20,843,275,968.54/127,525.80
  6. Step 6: Final answer
    x = 163,443.60

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1.5x scale

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.