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Finding the Fourth Proportional to 104,750.16, 155,940.66 and 104,127.54

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Solution

The fourth proportional to 104,750.16, 155,940.66 and 104,127.54 is: 155,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,750.16 : 155,940.66 = 104,127.54 : x
  2. Step 2: Convert to fraction form
    104,750.16/155,940.66 = 104,127.54/x
  3. Step 3: Cross multiply
    104,750.16x = 155,940.66 × 104,127.54
  4. Step 4: Simplify right side
    104,750.16x = 16,237,717,311.78
  5. Step 5: Solve for x
    x = 16,237,717,311.78/104,750.16
  6. Step 6: Final answer
    x = 155,013.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.