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Finding the Fourth Proportional to 173,806.49, 260,499.20 and 73,756.50

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Solution

The fourth proportional to 173,806.49, 260,499.20 and 73,756.50 is: 110,545.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,806.49 : 260,499.20 = 73,756.50 : x
  2. Step 2: Convert to fraction form
    173,806.49/260,499.20 = 73,756.50/x
  3. Step 3: Cross multiply
    173,806.49x = 260,499.20 × 73,756.50
  4. Step 4: Simplify right side
    173,806.49x = 19,213,508,876.02
  5. Step 5: Solve for x
    x = 19,213,508,876.02/173,806.49
  6. Step 6: Final answer
    x = 110,545.41

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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.