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Finding the Fourth Proportional to 171,856.44, 257,886.72 and 92,968.92

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Solution

The fourth proportional to 171,856.44, 257,886.72 and 92,968.92 is: 139,508.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,856.44 : 257,886.72 = 92,968.92 : x
  2. Step 2: Convert to fraction form
    171,856.44/257,886.72 = 92,968.92/x
  3. Step 3: Cross multiply
    171,856.44x = 257,886.72 × 92,968.92
  4. Step 4: Simplify right side
    171,856.44x = 23,975,449,840.74
  5. Step 5: Solve for x
    x = 23,975,449,840.74/171,856.44
  6. Step 6: Final answer
    x = 139,508.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.