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Finding the Fourth Proportional to 371,112.12, 556,704.60 and 104,874.60

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Solution

The fourth proportional to 371,112.12, 556,704.60 and 104,874.60 is: 157,322.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,112.12 : 556,704.60 = 104,874.60 : x
  2. Step 2: Convert to fraction form
    371,112.12/556,704.60 = 104,874.60/x
  3. Step 3: Cross multiply
    371,112.12x = 556,704.60 × 104,874.60
  4. Step 4: Simplify right side
    371,112.12x = 58,384,172,243.16
  5. Step 5: Solve for x
    x = 58,384,172,243.16/371,112.12
  6. Step 6: Final answer
    x = 157,322.19

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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.