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Finding the Fourth Proportional to 124,940.40, 187,410.60 and 41,834.40

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Solution

The fourth proportional to 124,940.40, 187,410.60 and 41,834.40 is: 62,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,940.40 : 187,410.60 = 41,834.40 : x
  2. Step 2: Convert to fraction form
    124,940.40/187,410.60 = 41,834.40/x
  3. Step 3: Cross multiply
    124,940.40x = 187,410.60 × 41,834.40
  4. Step 4: Simplify right side
    124,940.40x = 7,840,210,004.64
  5. Step 5: Solve for x
    x = 7,840,210,004.64/124,940.40
  6. Step 6: Final answer
    x = 62,751.60

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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.