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Finding the Fourth Proportional to 291,282.64, 437,093.78 and 122,792.64

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Solution

The fourth proportional to 291,282.64, 437,093.78 and 122,792.64 is: 184,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,282.64 : 437,093.78 = 122,792.64 : x
  2. Step 2: Convert to fraction form
    291,282.64/437,093.78 = 122,792.64/x
  3. Step 3: Cross multiply
    291,282.64x = 437,093.78 × 122,792.64
  4. Step 4: Simplify right side
    291,282.64x = 53,671,899,173.78
  5. Step 5: Solve for x
    x = 53,671,899,173.78/291,282.64
  6. Step 6: Final answer
    x = 184,260.55

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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.