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Finding the Fourth Proportional to 173,276.34, 259,946.90 and 54,915.90

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Solution

The fourth proportional to 173,276.34, 259,946.90 and 54,915.90 is: 82,384.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,276.34 : 259,946.90 = 54,915.90 : x
  2. Step 2: Convert to fraction form
    173,276.34/259,946.90 = 54,915.90/x
  3. Step 3: Cross multiply
    173,276.34x = 259,946.90 × 54,915.90
  4. Step 4: Simplify right side
    173,276.34x = 14,275,217,965.71
  5. Step 5: Solve for x
    x = 14,275,217,965.71/173,276.34
  6. Step 6: Final answer
    x = 82,384.12

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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.