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Finding the Fourth Proportional to 114,999.88, 172,455 and 35,020.48

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Solution

The fourth proportional to 114,999.88, 172,455 and 35,020.48 is: 52,517.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,999.88 : 172,455 = 35,020.48 : x
  2. Step 2: Convert to fraction form
    114,999.88/172,455 = 35,020.48/x
  3. Step 3: Cross multiply
    114,999.88x = 172,455 × 35,020.48
  4. Step 4: Simplify right side
    114,999.88x = 6,039,456,878.40
  5. Step 5: Solve for x
    x = 6,039,456,878.40/114,999.88
  6. Step 6: Final answer
    x = 52,517.07

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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.