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Finding the Fourth Proportional to 124,486.23, 186,730.49 and 35,739.73

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Solution

The fourth proportional to 124,486.23, 186,730.49 and 35,739.73 is: 53,609.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,486.23 : 186,730.49 = 35,739.73 : x
  2. Step 2: Convert to fraction form
    124,486.23/186,730.49 = 35,739.73/x
  3. Step 3: Cross multiply
    124,486.23x = 186,730.49 × 35,739.73
  4. Step 4: Simplify right side
    124,486.23x = 6,673,697,295.37
  5. Step 5: Solve for x
    x = 6,673,697,295.37/124,486.23
  6. Step 6: Final answer
    x = 53,609.92

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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.