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Finding the Fourth Proportional to 176,731.36, 265,121.64 and 56,791.89

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Solution

The fourth proportional to 176,731.36, 265,121.64 and 56,791.89 is: 85,195.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,731.36 : 265,121.64 = 56,791.89 : x
  2. Step 2: Convert to fraction form
    176,731.36/265,121.64 = 56,791.89/x
  3. Step 3: Cross multiply
    176,731.36x = 265,121.64 × 56,791.89
  4. Step 4: Simplify right side
    176,731.36x = 15,056,759,015.50
  5. Step 5: Solve for x
    x = 15,056,759,015.50/176,731.36
  6. Step 6: Final answer
    x = 85,195.74

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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.