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Finding the Fourth Proportional to 172,979.55, 259,450.01 and 46,632.37

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Solution

The fourth proportional to 172,979.55, 259,450.01 and 46,632.37 is: 69,943.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,979.55 : 259,450.01 = 46,632.37 : x
  2. Step 2: Convert to fraction form
    172,979.55/259,450.01 = 46,632.37/x
  3. Step 3: Cross multiply
    172,979.55x = 259,450.01 × 46,632.37
  4. Step 4: Simplify right side
    172,979.55x = 12,098,768,862.82
  5. Step 5: Solve for x
    x = 12,098,768,862.82/172,979.55
  6. Step 6: Final answer
    x = 69,943.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.