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Finding the Fourth Proportional to 124,727.33, 186,974.35 and 45,820.37

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Solution

The fourth proportional to 124,727.33, 186,974.35 and 45,820.37 is: 68,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,727.33 : 186,974.35 = 45,820.37 : x
  2. Step 2: Convert to fraction form
    124,727.33/186,974.35 = 45,820.37/x
  3. Step 3: Cross multiply
    124,727.33x = 186,974.35 × 45,820.37
  4. Step 4: Simplify right side
    124,727.33x = 8,567,233,897.51
  5. Step 5: Solve for x
    x = 8,567,233,897.51/124,727.33
  6. Step 6: Final answer
    x = 68,687.70

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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.