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Finding the Fourth Proportional to 185,992.60, 256,671.44 and 101,109.80

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Solution

The fourth proportional to 185,992.60, 256,671.44 and 101,109.80 is: 139,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,992.60 : 256,671.44 = 101,109.80 : x
  2. Step 2: Convert to fraction form
    185,992.60/256,671.44 = 101,109.80/x
  3. Step 3: Cross multiply
    185,992.60x = 256,671.44 × 101,109.80
  4. Step 4: Simplify right side
    185,992.60x = 25,951,997,964.11
  5. Step 5: Solve for x
    x = 25,951,997,964.11/185,992.60
  6. Step 6: Final answer
    x = 139,532.42

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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.