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Finding the Fourth Proportional to 185,323.44, 255,744.56 and 103,650.80

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Solution

The fourth proportional to 185,323.44, 255,744.56 and 103,650.80 is: 143,037.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,323.44 : 255,744.56 = 103,650.80 : x
  2. Step 2: Convert to fraction form
    185,323.44/255,744.56 = 103,650.80/x
  3. Step 3: Cross multiply
    185,323.44x = 255,744.56 × 103,650.80
  4. Step 4: Simplify right side
    185,323.44x = 26,508,128,239.65
  5. Step 5: Solve for x
    x = 26,508,128,239.65/185,323.44
  6. Step 6: Final answer
    x = 143,037.10

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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.