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Finding the Fourth Proportional to 164,768.78, 227,384.73 and 93,153.03

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Solution

The fourth proportional to 164,768.78, 227,384.73 and 93,153.03 is: 128,553.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,768.78 : 227,384.73 = 93,153.03 : x
  2. Step 2: Convert to fraction form
    164,768.78/227,384.73 = 93,153.03/x
  3. Step 3: Cross multiply
    164,768.78x = 227,384.73 × 93,153.03
  4. Step 4: Simplify right side
    164,768.78x = 21,181,576,575.23
  5. Step 5: Solve for x
    x = 21,181,576,575.23/164,768.78
  6. Step 6: Final answer
    x = 128,553.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.