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Finding the Fourth Proportional to 124,113.84, 186,249.44 and 53,036.97

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Solution

The fourth proportional to 124,113.84, 186,249.44 and 53,036.97 is: 79,589.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,113.84 : 186,249.44 = 53,036.97 : x
  2. Step 2: Convert to fraction form
    124,113.84/186,249.44 = 53,036.97/x
  3. Step 3: Cross multiply
    124,113.84x = 186,249.44 × 53,036.97
  4. Step 4: Simplify right side
    124,113.84x = 9,878,105,696.61
  5. Step 5: Solve for x
    x = 9,878,105,696.61/124,113.84
  6. Step 6: Final answer
    x = 79,589.07

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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.