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Finding the Fourth Proportional to 173,276.40, 259,890.30 and 54,959.70

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Solution

The fourth proportional to 173,276.40, 259,890.30 and 54,959.70 is: 82,431.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,276.40 : 259,890.30 = 54,959.70 : x
  2. Step 2: Convert to fraction form
    173,276.40/259,890.30 = 54,959.70/x
  3. Step 3: Cross multiply
    173,276.40x = 259,890.30 × 54,959.70
  4. Step 4: Simplify right side
    173,276.40x = 14,283,492,920.91
  5. Step 5: Solve for x
    x = 14,283,492,920.91/173,276.40
  6. Step 6: Final answer
    x = 82,431.84

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1.5x scale

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.