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Finding the Fourth Proportional to 291,253.88, 437,050.68 and 122,763.92

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Solution

The fourth proportional to 291,253.88, 437,050.68 and 122,763.92 is: 184,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,253.88 : 437,050.68 = 122,763.92 : x
  2. Step 2: Convert to fraction form
    291,253.88/437,050.68 = 122,763.92/x
  3. Step 3: Cross multiply
    291,253.88x = 437,050.68 × 122,763.92
  4. Step 4: Simplify right side
    291,253.88x = 53,654,054,715.47
  5. Step 5: Solve for x
    x = 53,654,054,715.47/291,253.88
  6. Step 6: Final answer
    x = 184,217.48

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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.