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Finding the Fourth Proportional to 173,881.85, 260,646.32 and 98,846.95

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Solution

The fourth proportional to 173,881.85, 260,646.32 and 98,846.95 is: 148,170.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,881.85 : 260,646.32 = 98,846.95 : x
  2. Step 2: Convert to fraction form
    173,881.85/260,646.32 = 98,846.95/x
  3. Step 3: Cross multiply
    173,881.85x = 260,646.32 × 98,846.95
  4. Step 4: Simplify right side
    173,881.85x = 25,764,093,760.72
  5. Step 5: Solve for x
    x = 25,764,093,760.72/173,881.85
  6. Step 6: Final answer
    x = 148,170.12

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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.