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Finding the Fourth Proportional to 187,804.98, 259,171.92 and 101,765.30

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Solution

The fourth proportional to 187,804.98, 259,171.92 and 101,765.30 is: 140,436.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,804.98 : 259,171.92 = 101,765.30 : x
  2. Step 2: Convert to fraction form
    187,804.98/259,171.92 = 101,765.30/x
  3. Step 3: Cross multiply
    187,804.98x = 259,171.92 × 101,765.30
  4. Step 4: Simplify right side
    187,804.98x = 26,374,706,894.52
  5. Step 5: Solve for x
    x = 26,374,706,894.52/187,804.98
  6. Step 6: Final answer
    x = 140,436.67

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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.