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Finding the Fourth Proportional to 112,637.88, 168,962.43 and 33,744.60

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Solution

The fourth proportional to 112,637.88, 168,962.43 and 33,744.60 is: 50,618.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,637.88 : 168,962.43 = 33,744.60 : x
  2. Step 2: Convert to fraction form
    112,637.88/168,962.43 = 33,744.60/x
  3. Step 3: Cross multiply
    112,637.88x = 168,962.43 × 33,744.60
  4. Step 4: Simplify right side
    112,637.88x = 5,701,569,615.38
  5. Step 5: Solve for x
    x = 5,701,569,615.38/112,637.88
  6. Step 6: Final answer
    x = 50,618.58

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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.