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Finding the Fourth Proportional to 173,311.28, 260,005.80 and 54,986.48

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Solution

The fourth proportional to 173,311.28, 260,005.80 and 54,986.48 is: 82,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,311.28 : 260,005.80 = 54,986.48 : x
  2. Step 2: Convert to fraction form
    173,311.28/260,005.80 = 54,986.48/x
  3. Step 3: Cross multiply
    173,311.28x = 260,005.80 × 54,986.48
  4. Step 4: Simplify right side
    173,311.28x = 14,296,803,721.58
  5. Step 5: Solve for x
    x = 14,296,803,721.58/173,311.28
  6. Step 6: Final answer
    x = 82,492.06

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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.