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Finding the Fourth Proportional to 291,281.57, 437,092.27 and 122,791.67

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Solution

The fourth proportional to 291,281.57, 437,092.27 and 122,791.67 is: 184,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,281.57 : 437,092.27 = 122,791.67 : x
  2. Step 2: Convert to fraction form
    291,281.57/437,092.27 = 122,791.67/x
  3. Step 3: Cross multiply
    291,281.57x = 437,092.27 × 122,791.67
  4. Step 4: Simplify right side
    291,281.57x = 53,671,289,777.39
  5. Step 5: Solve for x
    x = 53,671,289,777.39/291,281.57
  6. Step 6: Final answer
    x = 184,259.13

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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.