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Finding the Fourth Proportional to 108,887.57, 150,238.56 and 63,539.67

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Solution

The fourth proportional to 108,887.57, 150,238.56 and 63,539.67 is: 87,669.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,887.57 : 150,238.56 = 63,539.67 : x
  2. Step 2: Convert to fraction form
    108,887.57/150,238.56 = 63,539.67/x
  3. Step 3: Cross multiply
    108,887.57x = 150,238.56 × 63,539.67
  4. Step 4: Simplify right side
    108,887.57x = 9,546,109,325.34
  5. Step 5: Solve for x
    x = 9,546,109,325.34/108,887.57
  6. Step 6: Final answer
    x = 87,669.41

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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.