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Finding the Fourth Proportional to 113,953.39, 170,930.20 and 29,713.48

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Solution

The fourth proportional to 113,953.39, 170,930.20 and 29,713.48 is: 44,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,953.39 : 170,930.20 = 29,713.48 : x
  2. Step 2: Convert to fraction form
    113,953.39/170,930.20 = 29,713.48/x
  3. Step 3: Cross multiply
    113,953.39x = 170,930.20 × 29,713.48
  4. Step 4: Simplify right side
    113,953.39x = 5,078,930,577.49
  5. Step 5: Solve for x
    x = 5,078,930,577.49/113,953.39
  6. Step 6: Final answer
    x = 44,570.25

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1.5x scale

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.