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Finding the Fourth Proportional to 247,133.55, 370,405.08 and 113,879.64

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Solution

The fourth proportional to 247,133.55, 370,405.08 and 113,879.64 is: 170,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,133.55 : 370,405.08 = 113,879.64 : x
  2. Step 2: Convert to fraction form
    247,133.55/370,405.08 = 113,879.64/x
  3. Step 3: Cross multiply
    247,133.55x = 370,405.08 × 113,879.64
  4. Step 4: Simplify right side
    247,133.55x = 42,181,597,164.57
  5. Step 5: Solve for x
    x = 42,181,597,164.57/247,133.55
  6. Step 6: Final answer
    x = 170,683.41

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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.