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Finding the Fourth Proportional to 115,361.89, 173,041.80 and 36,476.17

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Solution

The fourth proportional to 115,361.89, 173,041.80 and 36,476.17 is: 54,713.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,361.89 : 173,041.80 = 36,476.17 : x
  2. Step 2: Convert to fraction form
    115,361.89/173,041.80 = 36,476.17/x
  3. Step 3: Cross multiply
    115,361.89x = 173,041.80 × 36,476.17
  4. Step 4: Simplify right side
    115,361.89x = 6,311,902,113.91
  5. Step 5: Solve for x
    x = 6,311,902,113.91/115,361.89
  6. Step 6: Final answer
    x = 54,713.93

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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.