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Finding the Fourth Proportional to 115,761, 173,641.08 and 36,881.58

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Solution

The fourth proportional to 115,761, 173,641.08 and 36,881.58 is: 55,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,761 : 173,641.08 = 36,881.58 : x
  2. Step 2: Convert to fraction form
    115,761/173,641.08 = 36,881.58/x
  3. Step 3: Cross multiply
    115,761x = 173,641.08 × 36,881.58
  4. Step 4: Simplify right side
    115,761x = 6,404,157,383.31
  5. Step 5: Solve for x
    x = 6,404,157,383.31/115,761
  6. Step 6: Final answer
    x = 55,322.24

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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.