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Finding the Fourth Proportional to 171,864.54, 237,201.56 and 100,244.56

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Solution

The fourth proportional to 171,864.54, 237,201.56 and 100,244.56 is: 138,354.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,864.54 : 237,201.56 = 100,244.56 : x
  2. Step 2: Convert to fraction form
    171,864.54/237,201.56 = 100,244.56/x
  3. Step 3: Cross multiply
    171,864.54x = 237,201.56 × 100,244.56
  4. Step 4: Simplify right side
    171,864.54x = 23,778,166,013.51
  5. Step 5: Solve for x
    x = 23,778,166,013.51/171,864.54
  6. Step 6: Final answer
    x = 138,354.11

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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.