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Finding the Fourth Proportional to 187,392.72, 258,577.72 and 114,828.04

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Solution

The fourth proportional to 187,392.72, 258,577.72 and 114,828.04 is: 158,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,392.72 : 258,577.72 = 114,828.04 : x
  2. Step 2: Convert to fraction form
    187,392.72/258,577.72 = 114,828.04/x
  3. Step 3: Cross multiply
    187,392.72x = 258,577.72 × 114,828.04
  4. Step 4: Simplify right side
    187,392.72x = 29,691,972,775.27
  5. Step 5: Solve for x
    x = 29,691,972,775.27/187,392.72
  6. Step 6: Final answer
    x = 158,447.85

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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.