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Finding the Fourth Proportional to 182,456.80, 251,790.48 and 107,005.60

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Solution

The fourth proportional to 182,456.80, 251,790.48 and 107,005.60 is: 147,667.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,456.80 : 251,790.48 = 107,005.60 : x
  2. Step 2: Convert to fraction form
    182,456.80/251,790.48 = 107,005.60/x
  3. Step 3: Cross multiply
    182,456.80x = 251,790.48 × 107,005.60
  4. Step 4: Simplify right side
    182,456.80x = 26,942,991,386.69
  5. Step 5: Solve for x
    x = 26,942,991,386.69/182,456.80
  6. Step 6: Final answer
    x = 147,667.78

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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.