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Finding the Fourth Proportional to 136,625.80, 188,617.86 and 94,411.24

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Solution

The fourth proportional to 136,625.80, 188,617.86 and 94,411.24 is: 130,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,625.80 : 188,617.86 = 94,411.24 : x
  2. Step 2: Convert to fraction form
    136,625.80/188,617.86 = 94,411.24/x
  3. Step 3: Cross multiply
    136,625.80x = 188,617.86 × 94,411.24
  4. Step 4: Simplify right side
    136,625.80x = 17,807,646,048.75
  5. Step 5: Solve for x
    x = 17,807,646,048.75/136,625.80
  6. Step 6: Final answer
    x = 130,338.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.