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Finding the Fourth Proportional to 115,703.73, 173,518.38 and 36,799.47

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Solution

The fourth proportional to 115,703.73, 173,518.38 and 36,799.47 is: 55,187.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,703.73 : 173,518.38 = 36,799.47 : x
  2. Step 2: Convert to fraction form
    115,703.73/173,518.38 = 36,799.47/x
  3. Step 3: Cross multiply
    115,703.73x = 173,518.38 × 36,799.47
  4. Step 4: Simplify right side
    115,703.73x = 6,385,384,419.26
  5. Step 5: Solve for x
    x = 6,385,384,419.26/115,703.73
  6. Step 6: Final answer
    x = 55,187.37

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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.