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Finding the Fourth Proportional to 264,611.60, 365,162.56 and 143,751.92

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Solution

The fourth proportional to 264,611.60, 365,162.56 and 143,751.92 is: 198,376.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,611.60 : 365,162.56 = 143,751.92 : x
  2. Step 2: Convert to fraction form
    264,611.60/365,162.56 = 143,751.92/x
  3. Step 3: Cross multiply
    264,611.60x = 365,162.56 × 143,751.92
  4. Step 4: Simplify right side
    264,611.60x = 52,492,819,112.12
  5. Step 5: Solve for x
    x = 52,492,819,112.12/264,611.60
  6. Step 6: Final answer
    x = 198,376.86

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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.