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Finding the Fourth Proportional to 173,776.68, 260,662.32 and 55,447.29

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Solution

The fourth proportional to 173,776.68, 260,662.32 and 55,447.29 is: 83,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,776.68 : 260,662.32 = 55,447.29 : x
  2. Step 2: Convert to fraction form
    173,776.68/260,662.32 = 55,447.29/x
  3. Step 3: Cross multiply
    173,776.68x = 260,662.32 × 55,447.29
  4. Step 4: Simplify right side
    173,776.68x = 14,453,019,249.11
  5. Step 5: Solve for x
    x = 14,453,019,249.11/173,776.68
  6. Step 6: Final answer
    x = 83,170.07

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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.