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Finding the Fourth Proportional to 172,059.27, 237,467.64 and 123,820.89

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Solution

The fourth proportional to 172,059.27, 237,467.64 and 123,820.89 is: 170,891.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,059.27 : 237,467.64 = 123,820.89 : x
  2. Step 2: Convert to fraction form
    172,059.27/237,467.64 = 123,820.89/x
  3. Step 3: Cross multiply
    172,059.27x = 237,467.64 × 123,820.89
  4. Step 4: Simplify right side
    172,059.27x = 29,403,454,531.00
  5. Step 5: Solve for x
    x = 29,403,454,531.00/172,059.27
  6. Step 6: Final answer
    x = 170,891.43

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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.