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Finding the Fourth Proportional to 248,759.74, 343,337.43 and 173,264.50

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Solution

The fourth proportional to 248,759.74, 343,337.43 and 173,264.50 is: 239,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,759.74 : 343,337.43 = 173,264.50 : x
  2. Step 2: Convert to fraction form
    248,759.74/343,337.43 = 173,264.50/x
  3. Step 3: Cross multiply
    248,759.74x = 343,337.43 × 173,264.50
  4. Step 4: Simplify right side
    248,759.74x = 59,488,188,140.24
  5. Step 5: Solve for x
    x = 59,488,188,140.24/248,759.74
  6. Step 6: Final answer
    x = 239,139.13

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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.