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Finding the Fourth Proportional to 173,899.75, 260,871.90 and 49,240.75

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Solution

The fourth proportional to 173,899.75, 260,871.90 and 49,240.75 is: 73,867.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,899.75 : 260,871.90 = 49,240.75 : x
  2. Step 2: Convert to fraction form
    173,899.75/260,871.90 = 49,240.75/x
  3. Step 3: Cross multiply
    173,899.75x = 260,871.90 × 49,240.75
  4. Step 4: Simplify right side
    173,899.75x = 12,845,528,009.93
  5. Step 5: Solve for x
    x = 12,845,528,009.93/173,899.75
  6. Step 6: Final answer
    x = 73,867.43

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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.