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Finding the Fourth Proportional to 291,050.88, 436,744 and 122,558.08

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Solution

The fourth proportional to 291,050.88, 436,744 and 122,558.08 is: 183,907.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,050.88 : 436,744 = 122,558.08 : x
  2. Step 2: Convert to fraction form
    291,050.88/436,744 = 122,558.08/x
  3. Step 3: Cross multiply
    291,050.88x = 436,744 × 122,558.08
  4. Step 4: Simplify right side
    291,050.88x = 53,526,506,091.52
  5. Step 5: Solve for x
    x = 53,526,506,091.52/291,050.88
  6. Step 6: Final answer
    x = 183,907.73

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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.