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Finding the Fourth Proportional to 169,040.20, 253,527.90 and 50,715.40

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Solution

The fourth proportional to 169,040.20, 253,527.90 and 50,715.40 is: 76,063.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,040.20 : 253,527.90 = 50,715.40 : x
  2. Step 2: Convert to fraction form
    169,040.20/253,527.90 = 50,715.40/x
  3. Step 3: Cross multiply
    169,040.20x = 253,527.90 × 50,715.40
  4. Step 4: Simplify right side
    169,040.20x = 12,857,768,859.66
  5. Step 5: Solve for x
    x = 12,857,768,859.66/169,040.20
  6. Step 6: Final answer
    x = 76,063.38

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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.