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Finding the Fourth Proportional to 294,110.74, 441,166.19 and 72,494.74

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Solution

The fourth proportional to 294,110.74, 441,166.19 and 72,494.74 is: 108,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,110.74 : 441,166.19 = 72,494.74 : x
  2. Step 2: Convert to fraction form
    294,110.74/441,166.19 = 72,494.74/x
  3. Step 3: Cross multiply
    294,110.74x = 441,166.19 × 72,494.74
  4. Step 4: Simplify right side
    294,110.74x = 31,982,228,240.84
  5. Step 5: Solve for x
    x = 31,982,228,240.84/294,110.74
  6. Step 6: Final answer
    x = 108,742.13

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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.