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Finding the Fourth Proportional to 252,040.96, 378,492.88 and 168,339.04

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Solution

The fourth proportional to 252,040.96, 378,492.88 and 168,339.04 is: 252,796.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,040.96 : 378,492.88 = 168,339.04 : x
  2. Step 2: Convert to fraction form
    252,040.96/378,492.88 = 168,339.04/x
  3. Step 3: Cross multiply
    252,040.96x = 378,492.88 × 168,339.04
  4. Step 4: Simplify right side
    252,040.96x = 63,715,128,066.04
  5. Step 5: Solve for x
    x = 63,715,128,066.04/252,040.96
  6. Step 6: Final answer
    x = 252,796.72

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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.