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Finding the Fourth Proportional to 276,074.42, 413,866.49 and 107,555.73

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Solution

The fourth proportional to 276,074.42, 413,866.49 and 107,555.73 is: 161,238.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,074.42 : 413,866.49 = 107,555.73 : x
  2. Step 2: Convert to fraction form
    276,074.42/413,866.49 = 107,555.73/x
  3. Step 3: Cross multiply
    276,074.42x = 413,866.49 × 107,555.73
  4. Step 4: Simplify right side
    276,074.42x = 44,513,711,916.71
  5. Step 5: Solve for x
    x = 44,513,711,916.71/276,074.42
  6. Step 6: Final answer
    x = 161,238.09

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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.