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Finding the Fourth Proportional to 111,258.36, 153,540.36 and 60,957.36

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Solution

The fourth proportional to 111,258.36, 153,540.36 and 60,957.36 is: 84,123.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,258.36 : 153,540.36 = 60,957.36 : x
  2. Step 2: Convert to fraction form
    111,258.36/153,540.36 = 60,957.36/x
  3. Step 3: Cross multiply
    111,258.36x = 153,540.36 × 60,957.36
  4. Step 4: Simplify right side
    111,258.36x = 9,359,414,999.05
  5. Step 5: Solve for x
    x = 9,359,414,999.05/111,258.36
  6. Step 6: Final answer
    x = 84,123.25

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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.