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Finding the Fourth Proportional to 477,097.78, 715,679.52 and 122,114.92

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Solution

The fourth proportional to 477,097.78, 715,679.52 and 122,114.92 is: 183,180.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,097.78 : 715,679.52 = 122,114.92 : x
  2. Step 2: Convert to fraction form
    477,097.78/715,679.52 = 122,114.92/x
  3. Step 3: Cross multiply
    477,097.78x = 715,679.52 × 122,114.92
  4. Step 4: Simplify right side
    477,097.78x = 87,395,147,330.44
  5. Step 5: Solve for x
    x = 87,395,147,330.44/477,097.78
  6. Step 6: Final answer
    x = 183,180.79

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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.