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Finding the Fourth Proportional to 361,117.44, 541,559.52 and 124,396.56

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Solution

The fourth proportional to 361,117.44, 541,559.52 and 124,396.56 is: 186,554.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,117.44 : 541,559.52 = 124,396.56 : x
  2. Step 2: Convert to fraction form
    361,117.44/541,559.52 = 124,396.56/x
  3. Step 3: Cross multiply
    361,117.44x = 541,559.52 × 124,396.56
  4. Step 4: Simplify right side
    361,117.44x = 67,368,141,323.25
  5. Step 5: Solve for x
    x = 67,368,141,323.25/361,117.44
  6. Step 6: Final answer
    x = 186,554.66

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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.