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Finding the Fourth Proportional to 192,415.28, 288,654.50 and 59,295.56

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Solution

The fourth proportional to 192,415.28, 288,654.50 and 59,295.56 is: 88,953.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,415.28 : 288,654.50 = 59,295.56 : x
  2. Step 2: Convert to fraction form
    192,415.28/288,654.50 = 59,295.56/x
  3. Step 3: Cross multiply
    192,415.28x = 288,654.50 × 59,295.56
  4. Step 4: Simplify right side
    192,415.28x = 17,115,928,928.99
  5. Step 5: Solve for x
    x = 17,115,928,928.99/192,415.28
  6. Step 6: Final answer
    x = 88,953.07

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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.