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Finding the Fourth Proportional to 113,012.80, 169,525.68 and 34,135

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Solution

The fourth proportional to 113,012.80, 169,525.68 and 34,135 is: 51,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,012.80 : 169,525.68 = 34,135 : x
  2. Step 2: Convert to fraction form
    113,012.80/169,525.68 = 34,135/x
  3. Step 3: Cross multiply
    113,012.80x = 169,525.68 × 34,135
  4. Step 4: Simplify right side
    113,012.80x = 5,786,759,086.80
  5. Step 5: Solve for x
    x = 5,786,759,086.80/113,012.80
  6. Step 6: Final answer
    x = 51,204.46

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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.