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Finding the Fourth Proportional to 173,818.70, 260,622.45 and 68,516.30

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Solution

The fourth proportional to 173,818.70, 260,622.45 and 68,516.30 is: 102,732.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,818.70 : 260,622.45 = 68,516.30 : x
  2. Step 2: Convert to fraction form
    173,818.70/260,622.45 = 68,516.30/x
  3. Step 3: Cross multiply
    173,818.70x = 260,622.45 × 68,516.30
  4. Step 4: Simplify right side
    173,818.70x = 17,856,885,970.94
  5. Step 5: Solve for x
    x = 17,856,885,970.94/173,818.70
  6. Step 6: Final answer
    x = 102,732.82

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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.