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Finding the Fourth Proportional to 141,804.68, 212,690.52 and 36,615.36

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Solution

The fourth proportional to 141,804.68, 212,690.52 and 36,615.36 is: 54,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,804.68 : 212,690.52 = 36,615.36 : x
  2. Step 2: Convert to fraction form
    141,804.68/212,690.52 = 36,615.36/x
  3. Step 3: Cross multiply
    141,804.68x = 212,690.52 × 36,615.36
  4. Step 4: Simplify right side
    141,804.68x = 7,787,739,958.39
  5. Step 5: Solve for x
    x = 7,787,739,958.39/141,804.68
  6. Step 6: Final answer
    x = 54,918.78

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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.