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Finding the Fourth Proportional to 288,804.29, 433,026 and 111,099.60

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Solution

The fourth proportional to 288,804.29, 433,026 and 111,099.60 is: 166,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,804.29 : 433,026 = 111,099.60 : x
  2. Step 2: Convert to fraction form
    288,804.29/433,026 = 111,099.60/x
  3. Step 3: Cross multiply
    288,804.29x = 433,026 × 111,099.60
  4. Step 4: Simplify right side
    288,804.29x = 48,109,015,389.60
  5. Step 5: Solve for x
    x = 48,109,015,389.60/288,804.29
  6. Step 6: Final answer
    x = 166,579.99

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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.