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Finding the Fourth Proportional to 173,903.41, 260,380.86 and 131,655.70

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Solution

The fourth proportional to 173,903.41, 260,380.86 and 131,655.70 is: 197,124.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,903.41 : 260,380.86 = 131,655.70 : x
  2. Step 2: Convert to fraction form
    173,903.41/260,380.86 = 131,655.70/x
  3. Step 3: Cross multiply
    173,903.41x = 260,380.86 × 131,655.70
  4. Step 4: Simplify right side
    173,903.41x = 34,280,624,389.90
  5. Step 5: Solve for x
    x = 34,280,624,389.90/173,903.41
  6. Step 6: Final answer
    x = 197,124.51

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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.