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Finding the Fourth Proportional to 254,406.60, 351,144.74 and 147,044.04

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Solution

The fourth proportional to 254,406.60, 351,144.74 and 147,044.04 is: 202,957.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,406.60 : 351,144.74 = 147,044.04 : x
  2. Step 2: Convert to fraction form
    254,406.60/351,144.74 = 147,044.04/x
  3. Step 3: Cross multiply
    254,406.60x = 351,144.74 × 147,044.04
  4. Step 4: Simplify right side
    254,406.60x = 51,633,741,194.35
  5. Step 5: Solve for x
    x = 51,633,741,194.35/254,406.60
  6. Step 6: Final answer
    x = 202,957.55

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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.