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Finding the Fourth Proportional to 281,096.64, 388,040.04 and 179,258.76

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Solution

The fourth proportional to 281,096.64, 388,040.04 and 179,258.76 is: 247,457.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,096.64 : 388,040.04 = 179,258.76 : x
  2. Step 2: Convert to fraction form
    281,096.64/388,040.04 = 179,258.76/x
  3. Step 3: Cross multiply
    281,096.64x = 388,040.04 × 179,258.76
  4. Step 4: Simplify right side
    281,096.64x = 69,559,576,400.75
  5. Step 5: Solve for x
    x = 69,559,576,400.75/281,096.64
  6. Step 6: Final answer
    x = 247,457.87

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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.