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Finding the Fourth Proportional to 141,285.80, 211,928.81 and 36,104.87

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Solution

The fourth proportional to 141,285.80, 211,928.81 and 36,104.87 is: 54,157.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,285.80 : 211,928.81 = 36,104.87 : x
  2. Step 2: Convert to fraction form
    141,285.80/211,928.81 = 36,104.87/x
  3. Step 3: Cross multiply
    141,285.80x = 211,928.81 × 36,104.87
  4. Step 4: Simplify right side
    141,285.80x = 7,651,662,483.60
  5. Step 5: Solve for x
    x = 7,651,662,483.60/141,285.80
  6. Step 6: Final answer
    x = 54,157.33

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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.