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Finding the Fourth Proportional to 185,774.68, 256,370.94 and 100,893.40

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Solution

The fourth proportional to 185,774.68, 256,370.94 and 100,893.40 is: 139,233.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,774.68 : 256,370.94 = 100,893.40 : x
  2. Step 2: Convert to fraction form
    185,774.68/256,370.94 = 100,893.40/x
  3. Step 3: Cross multiply
    185,774.68x = 256,370.94 × 100,893.40
  4. Step 4: Simplify right side
    185,774.68x = 25,866,135,797.80
  5. Step 5: Solve for x
    x = 25,866,135,797.80/185,774.68
  6. Step 6: Final answer
    x = 139,233.91

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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.