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Finding the Fourth Proportional to 187,371.52, 258,659.84 and 110,866.56

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Solution

The fourth proportional to 187,371.52, 258,659.84 and 110,866.56 is: 153,047.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,371.52 : 258,659.84 = 110,866.56 : x
  2. Step 2: Convert to fraction form
    187,371.52/258,659.84 = 110,866.56/x
  3. Step 3: Cross multiply
    187,371.52x = 258,659.84 × 110,866.56
  4. Step 4: Simplify right side
    187,371.52x = 28,676,726,670.95
  5. Step 5: Solve for x
    x = 28,676,726,670.95/187,371.52
  6. Step 6: Final answer
    x = 153,047.41

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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.