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Finding the Fourth Proportional to 370,883.10, 556,078.86 and 134,194.98

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Solution

The fourth proportional to 370,883.10, 556,078.86 and 134,194.98 is: 201,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,883.10 : 556,078.86 = 134,194.98 : x
  2. Step 2: Convert to fraction form
    370,883.10/556,078.86 = 134,194.98/x
  3. Step 3: Cross multiply
    370,883.10x = 556,078.86 × 134,194.98
  4. Step 4: Simplify right side
    370,883.10x = 74,622,991,496.12
  5. Step 5: Solve for x
    x = 74,622,991,496.12/370,883.10
  6. Step 6: Final answer
    x = 201,203.54

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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.