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Finding the Fourth Proportional to 169,378.59, 254,077.61 and 51,037.59

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Solution

The fourth proportional to 169,378.59, 254,077.61 and 51,037.59 is: 76,559.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,378.59 : 254,077.61 = 51,037.59 : x
  2. Step 2: Convert to fraction form
    169,378.59/254,077.61 = 51,037.59/x
  3. Step 3: Cross multiply
    169,378.59x = 254,077.61 × 51,037.59
  4. Step 4: Simplify right side
    169,378.59x = 12,967,508,632.17
  5. Step 5: Solve for x
    x = 12,967,508,632.17/169,378.59
  6. Step 6: Final answer
    x = 76,559.31

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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.