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Finding the Fourth Proportional to 371,452.37, 557,179.16 and 118,753.22

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Solution

The fourth proportional to 371,452.37, 557,179.16 and 118,753.22 is: 178,130.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,452.37 : 557,179.16 = 118,753.22 : x
  2. Step 2: Convert to fraction form
    371,452.37/557,179.16 = 118,753.22/x
  3. Step 3: Cross multiply
    371,452.37x = 557,179.16 × 118,753.22
  4. Step 4: Simplify right side
    371,452.37x = 66,166,820,166.08
  5. Step 5: Solve for x
    x = 66,166,820,166.08/371,452.37
  6. Step 6: Final answer
    x = 178,130.03

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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.