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Finding the Fourth Proportional to 195,698.53, 269,800.36 and 127,580.77

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Solution

The fourth proportional to 195,698.53, 269,800.36 and 127,580.77 is: 175,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,698.53 : 269,800.36 = 127,580.77 : x
  2. Step 2: Convert to fraction form
    195,698.53/269,800.36 = 127,580.77/x
  3. Step 3: Cross multiply
    195,698.53x = 269,800.36 × 127,580.77
  4. Step 4: Simplify right side
    195,698.53x = 34,421,337,675.08
  5. Step 5: Solve for x
    x = 34,421,337,675.08/195,698.53
  6. Step 6: Final answer
    x = 175,889.61

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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.