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Finding the Fourth Proportional to 187,357.53, 258,559.57 and 102,474.59

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Solution

The fourth proportional to 187,357.53, 258,559.57 and 102,474.59 is: 141,418.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,357.53 : 258,559.57 = 102,474.59 : x
  2. Step 2: Convert to fraction form
    187,357.53/258,559.57 = 102,474.59/x
  3. Step 3: Cross multiply
    187,357.53x = 258,559.57 × 102,474.59
  4. Step 4: Simplify right side
    187,357.53x = 26,495,784,377.34
  5. Step 5: Solve for x
    x = 26,495,784,377.34/187,357.53
  6. Step 6: Final answer
    x = 141,418.31

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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.