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Finding the Fourth Proportional to 43,373.70, 65,085.16 and 20,000.14

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Solution

The fourth proportional to 43,373.70, 65,085.16 and 20,000.14 is: 30,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,373.70 : 65,085.16 = 20,000.14 : x
  2. Step 2: Convert to fraction form
    43,373.70/65,085.16 = 20,000.14/x
  3. Step 3: Cross multiply
    43,373.70x = 65,085.16 × 20,000.14
  4. Step 4: Simplify right side
    43,373.70x = 1,301,712,311.92
  5. Step 5: Solve for x
    x = 1,301,712,311.92/43,373.70
  6. Step 6: Final answer
    x = 30,011.56

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.