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Finding the Fourth Proportional to 111,876.05, 167,762.04 and 40,749.17

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Solution

The fourth proportional to 111,876.05, 167,762.04 and 40,749.17 is: 61,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,876.05 : 167,762.04 = 40,749.17 : x
  2. Step 2: Convert to fraction form
    111,876.05/167,762.04 = 40,749.17/x
  3. Step 3: Cross multiply
    111,876.05x = 167,762.04 × 40,749.17
  4. Step 4: Simplify right side
    111,876.05x = 6,836,163,887.51
  5. Step 5: Solve for x
    x = 6,836,163,887.51/111,876.05
  6. Step 6: Final answer
    x = 61,104.80

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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.