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Finding the Fourth Proportional to 171,418.08, 256,993.92 and 64,800.32

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Solution

The fourth proportional to 171,418.08, 256,993.92 and 64,800.32 is: 97,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,418.08 : 256,993.92 = 64,800.32 : x
  2. Step 2: Convert to fraction form
    171,418.08/256,993.92 = 64,800.32/x
  3. Step 3: Cross multiply
    171,418.08x = 256,993.92 × 64,800.32
  4. Step 4: Simplify right side
    171,418.08x = 16,653,288,254.05
  5. Step 5: Solve for x
    x = 16,653,288,254.05/171,418.08
  6. Step 6: Final answer
    x = 97,150.13

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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.