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Finding the Fourth Proportional to 291,325.96, 436,775.10 and 122,839.48

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Solution

The fourth proportional to 291,325.96, 436,775.10 and 122,839.48 is: 184,169.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,325.96 : 436,775.10 = 122,839.48 : x
  2. Step 2: Convert to fraction form
    291,325.96/436,775.10 = 122,839.48/x
  3. Step 3: Cross multiply
    291,325.96x = 436,775.10 × 122,839.48
  4. Step 4: Simplify right side
    291,325.96x = 53,653,226,160.95
  5. Step 5: Solve for x
    x = 53,653,226,160.95/291,325.96
  6. Step 6: Final answer
    x = 184,169.05

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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.