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Finding the Fourth Proportional to 371,452.88, 557,152.06 and 118,665.48

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Solution

The fourth proportional to 371,452.88, 557,152.06 and 118,665.48 is: 177,989.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,452.88 : 557,152.06 = 118,665.48 : x
  2. Step 2: Convert to fraction form
    371,452.88/557,152.06 = 118,665.48/x
  3. Step 3: Cross multiply
    371,452.88x = 557,152.06 × 118,665.48
  4. Step 4: Simplify right side
    371,452.88x = 66,114,716,632.89
  5. Step 5: Solve for x
    x = 66,114,716,632.89/371,452.88
  6. Step 6: Final answer
    x = 177,989.51

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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.