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Finding the Fourth Proportional to 124,321.44, 186,300.72 and 61,906.08

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Solution

The fourth proportional to 124,321.44, 186,300.72 and 61,906.08 is: 92,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,321.44 : 186,300.72 = 61,906.08 : x
  2. Step 2: Convert to fraction form
    124,321.44/186,300.72 = 61,906.08/x
  3. Step 3: Cross multiply
    124,321.44x = 186,300.72 × 61,906.08
  4. Step 4: Simplify right side
    124,321.44x = 11,533,147,276.38
  5. Step 5: Solve for x
    x = 11,533,147,276.38/124,321.44
  6. Step 6: Final answer
    x = 92,768.77

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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.