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Finding the Fourth Proportional to 115,627.84, 173,449.32 and 35,656

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Solution

The fourth proportional to 115,627.84, 173,449.32 and 35,656 is: 53,486.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,627.84 : 173,449.32 = 35,656 : x
  2. Step 2: Convert to fraction form
    115,627.84/173,449.32 = 35,656/x
  3. Step 3: Cross multiply
    115,627.84x = 173,449.32 × 35,656
  4. Step 4: Simplify right side
    115,627.84x = 6,184,508,953.92
  5. Step 5: Solve for x
    x = 6,184,508,953.92/115,627.84
  6. Step 6: Final answer
    x = 53,486.33

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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.