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Finding the Fourth Proportional to 185,684.87, 256,246.44 and 100,801.94

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Solution

The fourth proportional to 185,684.87, 256,246.44 and 100,801.94 is: 139,107.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,684.87 : 256,246.44 = 100,801.94 : x
  2. Step 2: Convert to fraction form
    185,684.87/256,246.44 = 100,801.94/x
  3. Step 3: Cross multiply
    185,684.87x = 256,246.44 × 100,801.94
  4. Step 4: Simplify right side
    185,684.87x = 25,830,136,610.85
  5. Step 5: Solve for x
    x = 25,830,136,610.85/185,684.87
  6. Step 6: Final answer
    x = 139,107.38

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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.