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Finding the Fourth Proportional to 192,813.40, 289,330.76 and 150,574.90

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Solution

The fourth proportional to 192,813.40, 289,330.76 and 150,574.90 is: 225,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,813.40 : 289,330.76 = 150,574.90 : x
  2. Step 2: Convert to fraction form
    192,813.40/289,330.76 = 150,574.90/x
  3. Step 3: Cross multiply
    192,813.40x = 289,330.76 × 150,574.90
  4. Step 4: Simplify right side
    192,813.40x = 43,565,950,253.92
  5. Step 5: Solve for x
    x = 43,565,950,253.92/192,813.40
  6. Step 6: Final answer
    x = 225,948.77

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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.