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Finding the Fourth Proportional to 113,604.51, 170,400.57 and 34,712.54

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Solution

The fourth proportional to 113,604.51, 170,400.57 and 34,712.54 is: 52,066.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,604.51 : 170,400.57 = 34,712.54 : x
  2. Step 2: Convert to fraction form
    113,604.51/170,400.57 = 34,712.54/x
  3. Step 3: Cross multiply
    113,604.51x = 170,400.57 × 34,712.54
  4. Step 4: Simplify right side
    113,604.51x = 5,915,035,750.14
  5. Step 5: Solve for x
    x = 5,915,035,750.14/113,604.51
  6. Step 6: Final answer
    x = 52,066.91

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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.