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Finding the Fourth Proportional to 133,370.30, 199,618.05 and 103,627.10

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Solution

The fourth proportional to 133,370.30, 199,618.05 and 103,627.10 is: 155,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,370.30 : 199,618.05 = 103,627.10 : x
  2. Step 2: Convert to fraction form
    133,370.30/199,618.05 = 103,627.10/x
  3. Step 3: Cross multiply
    133,370.30x = 199,618.05 × 103,627.10
  4. Step 4: Simplify right side
    133,370.30x = 20,685,839,629.16
  5. Step 5: Solve for x
    x = 20,685,839,629.16/133,370.30
  6. Step 6: Final answer
    x = 155,100.80

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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.