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Finding the Fourth Proportional to 291,059.82, 436,662.39 and 101,522.94

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Solution

The fourth proportional to 291,059.82, 436,662.39 and 101,522.94 is: 152,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,059.82 : 436,662.39 = 101,522.94 : x
  2. Step 2: Convert to fraction form
    291,059.82/436,662.39 = 101,522.94/x
  3. Step 3: Cross multiply
    291,059.82x = 436,662.39 × 101,522.94
  4. Step 4: Simplify right side
    291,059.82x = 44,331,249,620.23
  5. Step 5: Solve for x
    x = 44,331,249,620.23/291,059.82
  6. Step 6: Final answer
    x = 152,309.75

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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.