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Finding the Fourth Proportional to 187,651.98, 258,959.25 and 101,611.04

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Solution

The fourth proportional to 187,651.98, 258,959.25 and 101,611.04 is: 140,222.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,651.98 : 258,959.25 = 101,611.04 : x
  2. Step 2: Convert to fraction form
    187,651.98/258,959.25 = 101,611.04/x
  3. Step 3: Cross multiply
    187,651.98x = 258,959.25 × 101,611.04
  4. Step 4: Simplify right side
    187,651.98x = 26,313,117,415.32
  5. Step 5: Solve for x
    x = 26,313,117,415.32/187,651.98
  6. Step 6: Final answer
    x = 140,222.97

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1.5x scale

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.