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Finding the Fourth Proportional to 173,834.16, 260,700.98 and 79,011.50

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Solution

The fourth proportional to 173,834.16, 260,700.98 and 79,011.50 is: 118,494.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,834.16 : 260,700.98 = 79,011.50 : x
  2. Step 2: Convert to fraction form
    173,834.16/260,700.98 = 79,011.50/x
  3. Step 3: Cross multiply
    173,834.16x = 260,700.98 × 79,011.50
  4. Step 4: Simplify right side
    173,834.16x = 20,598,375,481.27
  5. Step 5: Solve for x
    x = 20,598,375,481.27/173,834.16
  6. Step 6: Final answer
    x = 118,494.41

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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.