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Finding the Fourth Proportional to 150,355.71, 225,568.35 and 43,742.16

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Solution

The fourth proportional to 150,355.71, 225,568.35 and 43,742.16 is: 65,623.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,355.71 : 225,568.35 = 43,742.16 : x
  2. Step 2: Convert to fraction form
    150,355.71/225,568.35 = 43,742.16/x
  3. Step 3: Cross multiply
    150,355.71x = 225,568.35 × 43,742.16
  4. Step 4: Simplify right side
    150,355.71x = 9,866,846,856.64
  5. Step 5: Solve for x
    x = 9,866,846,856.64/150,355.71
  6. Step 6: Final answer
    x = 65,623.36

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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.