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Finding the Fourth Proportional to 141,887.87, 212,825.64 and 35,269.56

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Solution

The fourth proportional to 141,887.87, 212,825.64 and 35,269.56 is: 52,902.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,887.87 : 212,825.64 = 35,269.56 : x
  2. Step 2: Convert to fraction form
    141,887.87/212,825.64 = 35,269.56/x
  3. Step 3: Cross multiply
    141,887.87x = 212,825.64 × 35,269.56
  4. Step 4: Simplify right side
    141,887.87x = 7,506,266,679.52
  5. Step 5: Solve for x
    x = 7,506,266,679.52/141,887.87
  6. Step 6: Final answer
    x = 52,902.81

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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.