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Finding the Fourth Proportional to 134,379.68, 201,598.68 and 40,883

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Solution

The fourth proportional to 134,379.68, 201,598.68 and 40,883 is: 61,333.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,379.68 : 201,598.68 = 40,883 : x
  2. Step 2: Convert to fraction form
    134,379.68/201,598.68 = 40,883/x
  3. Step 3: Cross multiply
    134,379.68x = 201,598.68 × 40,883
  4. Step 4: Simplify right side
    134,379.68x = 8,241,958,834.44
  5. Step 5: Solve for x
    x = 8,241,958,834.44/134,379.68
  6. Step 6: Final answer
    x = 61,333.37

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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.