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Finding the Fourth Proportional to 100,045.44, 150,110.28 and 43,856.55

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Solution

The fourth proportional to 100,045.44, 150,110.28 and 43,856.55 is: 65,803.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,045.44 : 150,110.28 = 43,856.55 : x
  2. Step 2: Convert to fraction form
    100,045.44/150,110.28 = 43,856.55/x
  3. Step 3: Cross multiply
    100,045.44x = 150,110.28 × 43,856.55
  4. Step 4: Simplify right side
    100,045.44x = 6,583,319,000.33
  5. Step 5: Solve for x
    x = 6,583,319,000.33/100,045.44
  6. Step 6: Final answer
    x = 65,803.29

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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.