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Finding the Fourth Proportional to 187,674.92, 258,995.60 and 107,100.84

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Solution

The fourth proportional to 187,674.92, 258,995.60 and 107,100.84 is: 147,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,674.92 : 258,995.60 = 107,100.84 : x
  2. Step 2: Convert to fraction form
    187,674.92/258,995.60 = 107,100.84/x
  3. Step 3: Cross multiply
    187,674.92x = 258,995.60 × 107,100.84
  4. Step 4: Simplify right side
    187,674.92x = 27,738,646,316.30
  5. Step 5: Solve for x
    x = 27,738,646,316.30/187,674.92
  6. Step 6: Final answer
    x = 147,801.56

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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.