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Finding the Fourth Proportional to 351,173.64, 526,844.28 and 114,516.60

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Solution

The fourth proportional to 351,173.64, 526,844.28 and 114,516.60 is: 171,802.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,173.64 : 526,844.28 = 114,516.60 : x
  2. Step 2: Convert to fraction form
    351,173.64/526,844.28 = 114,516.60/x
  3. Step 3: Cross multiply
    351,173.64x = 526,844.28 × 114,516.60
  4. Step 4: Simplify right side
    351,173.64x = 60,332,415,675.05
  5. Step 5: Solve for x
    x = 60,332,415,675.05/351,173.64
  6. Step 6: Final answer
    x = 171,802.23

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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.