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Finding the Fourth Proportional to 187,638.54, 258,939.24 and 101,596.04

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Solution

The fourth proportional to 187,638.54, 258,939.24 and 101,596.04 is: 140,201.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,638.54 : 258,939.24 = 101,596.04 : x
  2. Step 2: Convert to fraction form
    187,638.54/258,939.24 = 101,596.04/x
  3. Step 3: Cross multiply
    187,638.54x = 258,939.24 × 101,596.04
  4. Step 4: Simplify right side
    187,638.54x = 26,307,201,384.61
  5. Step 5: Solve for x
    x = 26,307,201,384.61/187,638.54
  6. Step 6: Final answer
    x = 140,201.48

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1.5x scale

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.