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Finding the Fourth Proportional to 192,028.32, 264,916.80 and 116,445.60

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Solution

The fourth proportional to 192,028.32, 264,916.80 and 116,445.60 is: 160,645.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,028.32 : 264,916.80 = 116,445.60 : x
  2. Step 2: Convert to fraction form
    192,028.32/264,916.80 = 116,445.60/x
  3. Step 3: Cross multiply
    192,028.32x = 264,916.80 × 116,445.60
  4. Step 4: Simplify right side
    192,028.32x = 30,848,395,726.08
  5. Step 5: Solve for x
    x = 30,848,395,726.08/192,028.32
  6. Step 6: Final answer
    x = 160,645.03

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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.