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Finding the Fourth Proportional to 169,570, 254,359.86 and 44,911

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Solution

The fourth proportional to 169,570, 254,359.86 and 44,911 is: 67,367.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,570 : 254,359.86 = 44,911 : x
  2. Step 2: Convert to fraction form
    169,570/254,359.86 = 44,911/x
  3. Step 3: Cross multiply
    169,570x = 254,359.86 × 44,911
  4. Step 4: Simplify right side
    169,570x = 11,423,555,672.46
  5. Step 5: Solve for x
    x = 11,423,555,672.46/169,570
  6. Step 6: Final answer
    x = 67,367.79

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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.