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Finding the Fourth Proportional to 294,153.74, 405,797.33 and 173,237.14

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Solution

The fourth proportional to 294,153.74, 405,797.33 and 173,237.14 is: 238,987.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,153.74 : 405,797.33 = 173,237.14 : x
  2. Step 2: Convert to fraction form
    294,153.74/405,797.33 = 173,237.14/x
  3. Step 3: Cross multiply
    294,153.74x = 405,797.33 × 173,237.14
  4. Step 4: Simplify right side
    294,153.74x = 70,299,168,868.84
  5. Step 5: Solve for x
    x = 70,299,168,868.84/294,153.74
  6. Step 6: Final answer
    x = 238,987.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.