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Finding the Fourth Proportional to 185,874.44, 256,509.06 and 100,992.92

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Solution

The fourth proportional to 185,874.44, 256,509.06 and 100,992.92 is: 139,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,874.44 : 256,509.06 = 100,992.92 : x
  2. Step 2: Convert to fraction form
    185,874.44/256,509.06 = 100,992.92/x
  3. Step 3: Cross multiply
    185,874.44x = 256,509.06 × 100,992.92
  4. Step 4: Simplify right side
    185,874.44x = 25,905,598,975.86
  5. Step 5: Solve for x
    x = 25,905,598,975.86/185,874.44
  6. Step 6: Final answer
    x = 139,371.50

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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.