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Finding the Fourth Proportional to 133,838.63, 200,759.04 and 43,880.03

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Solution

The fourth proportional to 133,838.63, 200,759.04 and 43,880.03 is: 65,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,838.63 : 200,759.04 = 43,880.03 : x
  2. Step 2: Convert to fraction form
    133,838.63/200,759.04 = 43,880.03/x
  3. Step 3: Cross multiply
    133,838.63x = 200,759.04 × 43,880.03
  4. Step 4: Simplify right side
    133,838.63x = 8,809,312,697.97
  5. Step 5: Solve for x
    x = 8,809,312,697.97/133,838.63
  6. Step 6: Final answer
    x = 65,820.40

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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.