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Finding the Fourth Proportional to 124,506, 186,760.62 and 41,400

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Solution

The fourth proportional to 124,506, 186,760.62 and 41,400 is: 62,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,506 : 186,760.62 = 41,400 : x
  2. Step 2: Convert to fraction form
    124,506/186,760.62 = 41,400/x
  3. Step 3: Cross multiply
    124,506x = 186,760.62 × 41,400
  4. Step 4: Simplify right side
    124,506x = 7,731,889,668
  5. Step 5: Solve for x
    x = 7,731,889,668/124,506
  6. Step 6: Final answer
    x = 62,100.54

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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.