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Finding the Fourth Proportional to 173,798, 260,118.38 and 131,444.72

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Solution

The fourth proportional to 173,798, 260,118.38 and 131,444.72 is: 196,729.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,798 : 260,118.38 = 131,444.72 : x
  2. Step 2: Convert to fraction form
    173,798/260,118.38 = 131,444.72/x
  3. Step 3: Cross multiply
    173,798x = 260,118.38 × 131,444.72
  4. Step 4: Simplify right side
    173,798x = 34,191,187,625.95
  5. Step 5: Solve for x
    x = 34,191,187,625.95/173,798
  6. Step 6: Final answer
    x = 196,729.47

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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.