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Finding the Fourth Proportional to 109,007.82, 150,369.26 and 68,652.23

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Solution

The fourth proportional to 109,007.82, 150,369.26 and 68,652.23 is: 94,701.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,007.82 : 150,369.26 = 68,652.23 : x
  2. Step 2: Convert to fraction form
    109,007.82/150,369.26 = 68,652.23/x
  3. Step 3: Cross multiply
    109,007.82x = 150,369.26 × 68,652.23
  4. Step 4: Simplify right side
    109,007.82x = 10,323,183,927.34
  5. Step 5: Solve for x
    x = 10,323,183,927.34/109,007.82
  6. Step 6: Final answer
    x = 94,701.32

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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.