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Finding the Fourth Proportional to 273,523.05, 410,243.54 and 86,510.25

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Solution

The fourth proportional to 273,523.05, 410,243.54 and 86,510.25 is: 129,752.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,523.05 : 410,243.54 = 86,510.25 : x
  2. Step 2: Convert to fraction form
    273,523.05/410,243.54 = 86,510.25/x
  3. Step 3: Cross multiply
    273,523.05x = 410,243.54 × 86,510.25
  4. Step 4: Simplify right side
    273,523.05x = 35,490,270,773.73
  5. Step 5: Solve for x
    x = 35,490,270,773.73/273,523.05
  6. Step 6: Final answer
    x = 129,752.39

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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.