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Finding the Fourth Proportional to 291,708.09, 437,387.07 and 114,003.39

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Solution

The fourth proportional to 291,708.09, 437,387.07 and 114,003.39 is: 170,936.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,708.09 : 437,387.07 = 114,003.39 : x
  2. Step 2: Convert to fraction form
    291,708.09/437,387.07 = 114,003.39/x
  3. Step 3: Cross multiply
    291,708.09x = 437,387.07 × 114,003.39
  4. Step 4: Simplify right side
    291,708.09x = 49,863,608,722.17
  5. Step 5: Solve for x
    x = 49,863,608,722.17/291,708.09
  6. Step 6: Final answer
    x = 170,936.67

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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.