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Finding the Fourth Proportional to 351,229.60, 526,239.60 and 163,856.80

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Solution

The fourth proportional to 351,229.60, 526,239.60 and 163,856.80 is: 245,503.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,229.60 : 526,239.60 = 163,856.80 : x
  2. Step 2: Convert to fraction form
    351,229.60/526,239.60 = 163,856.80/x
  3. Step 3: Cross multiply
    351,229.60x = 526,239.60 × 163,856.80
  4. Step 4: Simplify right side
    351,229.60x = 86,227,936,889.28
  5. Step 5: Solve for x
    x = 86,227,936,889.28/351,229.60
  6. Step 6: Final answer
    x = 245,503.05

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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.