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Finding the Fourth Proportional to 187,554.87, 258,825.72 and 102,671.93

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Solution

The fourth proportional to 187,554.87, 258,825.72 and 102,671.93 is: 141,687.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,554.87 : 258,825.72 = 102,671.93 : x
  2. Step 2: Convert to fraction form
    187,554.87/258,825.72 = 102,671.93/x
  3. Step 3: Cross multiply
    187,554.87x = 258,825.72 × 102,671.93
  4. Step 4: Simplify right side
    187,554.87x = 26,574,135,788.26
  5. Step 5: Solve for x
    x = 26,574,135,788.26/187,554.87
  6. Step 6: Final answer
    x = 141,687.26

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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.