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Finding the Fourth Proportional to 187,765.88, 259,141.02 and 107,174.94

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Solution

The fourth proportional to 187,765.88, 259,141.02 and 107,174.94 is: 147,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,765.88 : 259,141.02 = 107,174.94 : x
  2. Step 2: Convert to fraction form
    187,765.88/259,141.02 = 107,174.94/x
  3. Step 3: Cross multiply
    187,765.88x = 259,141.02 × 107,174.94
  4. Step 4: Simplify right side
    187,765.88x = 27,773,423,270.04
  5. Step 5: Solve for x
    x = 27,773,423,270.04/187,765.88
  6. Step 6: Final answer
    x = 147,915.18

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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.