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Finding the Fourth Proportional to 254,102.32, 350,653.08 and 139,379.32

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Solution

The fourth proportional to 254,102.32, 350,653.08 and 139,379.32 is: 192,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,102.32 : 350,653.08 = 139,379.32 : x
  2. Step 2: Convert to fraction form
    254,102.32/350,653.08 = 139,379.32/x
  3. Step 3: Cross multiply
    254,102.32x = 350,653.08 × 139,379.32
  4. Step 4: Simplify right side
    254,102.32x = 48,873,787,846.31
  5. Step 5: Solve for x
    x = 48,873,787,846.31/254,102.32
  6. Step 6: Final answer
    x = 192,339.01

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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.