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Finding the Fourth Proportional to 273,037.23, 409,555.85 and 86,048.73

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Solution

The fourth proportional to 273,037.23, 409,555.85 and 86,048.73 is: 129,073.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,037.23 : 409,555.85 = 86,048.73 : x
  2. Step 2: Convert to fraction form
    273,037.23/409,555.85 = 86,048.73/x
  3. Step 3: Cross multiply
    273,037.23x = 409,555.85 × 86,048.73
  4. Step 4: Simplify right side
    273,037.23x = 35,241,760,326.33
  5. Step 5: Solve for x
    x = 35,241,760,326.33/273,037.23
  6. Step 6: Final answer
    x = 129,073.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.