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Finding the Fourth Proportional to 187,425.51, 258,651 and 102,544.41

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Solution

The fourth proportional to 187,425.51, 258,651 and 102,544.41 is: 141,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,425.51 : 258,651 = 102,544.41 : x
  2. Step 2: Convert to fraction form
    187,425.51/258,651 = 102,544.41/x
  3. Step 3: Cross multiply
    187,425.51x = 258,651 × 102,544.41
  4. Step 4: Simplify right side
    187,425.51x = 26,523,214,190.91
  5. Step 5: Solve for x
    x = 26,523,214,190.91/187,425.51
  6. Step 6: Final answer
    x = 141,513.36

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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.