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Finding the Fourth Proportional to 111,487.44, 167,260.32 and 64,695.36

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Solution

The fourth proportional to 111,487.44, 167,260.32 and 64,695.36 is: 97,059.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,487.44 : 167,260.32 = 64,695.36 : x
  2. Step 2: Convert to fraction form
    111,487.44/167,260.32 = 64,695.36/x
  3. Step 3: Cross multiply
    111,487.44x = 167,260.32 × 64,695.36
  4. Step 4: Simplify right side
    111,487.44x = 10,820,966,616.12
  5. Step 5: Solve for x
    x = 10,820,966,616.12/111,487.44
  6. Step 6: Final answer
    x = 97,059.96

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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.