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Finding the Fourth Proportional to 171,950.82, 237,291.99 and 100,316.97

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Solution

The fourth proportional to 171,950.82, 237,291.99 and 100,316.97 is: 138,437.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,950.82 : 237,291.99 = 100,316.97 : x
  2. Step 2: Convert to fraction form
    171,950.82/237,291.99 = 100,316.97/x
  3. Step 3: Cross multiply
    171,950.82x = 237,291.99 × 100,316.97
  4. Step 4: Simplify right side
    171,950.82x = 23,804,413,442.07
  5. Step 5: Solve for x
    x = 23,804,413,442.07/171,950.82
  6. Step 6: Final answer
    x = 138,437.34

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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.