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Finding the Fourth Proportional to 291,281.64, 437,092.28 and 122,791.64

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Solution

The fourth proportional to 291,281.64, 437,092.28 and 122,791.64 is: 184,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,281.64 : 437,092.28 = 122,791.64 : x
  2. Step 2: Convert to fraction form
    291,281.64/437,092.28 = 122,791.64/x
  3. Step 3: Cross multiply
    291,281.64x = 437,092.28 × 122,791.64
  4. Step 4: Simplify right side
    291,281.64x = 53,671,277,892.54
  5. Step 5: Solve for x
    x = 53,671,277,892.54/291,281.64
  6. Step 6: Final answer
    x = 184,259.05

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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.