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Finding the Fourth Proportional to 187,601.94, 258,890.33 and 101,560.50

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Solution

The fourth proportional to 187,601.94, 258,890.33 and 101,560.50 is: 140,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,601.94 : 258,890.33 = 101,560.50 : x
  2. Step 2: Convert to fraction form
    187,601.94/258,890.33 = 101,560.50/x
  3. Step 3: Cross multiply
    187,601.94x = 258,890.33 × 101,560.50
  4. Step 4: Simplify right side
    187,601.94x = 26,293,030,852.16
  5. Step 5: Solve for x
    x = 26,293,030,852.16/187,601.94
  6. Step 6: Final answer
    x = 140,153.30

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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.