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Finding the Fourth Proportional to 94,542.70, 141,813.90 and 43,914.04

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Solution

The fourth proportional to 94,542.70, 141,813.90 and 43,914.04 is: 65,870.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,542.70 : 141,813.90 = 43,914.04 : x
  2. Step 2: Convert to fraction form
    94,542.70/141,813.90 = 43,914.04/x
  3. Step 3: Cross multiply
    94,542.70x = 141,813.90 × 43,914.04
  4. Step 4: Simplify right side
    94,542.70x = 6,227,621,277.16
  5. Step 5: Solve for x
    x = 6,227,621,277.16/94,542.70
  6. Step 6: Final answer
    x = 65,870.99

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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.