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Finding the Fourth Proportional to 169,463.79, 254,216.88 and 51,134.94

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Solution

The fourth proportional to 169,463.79, 254,216.88 and 51,134.94 is: 76,708.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,463.79 : 254,216.88 = 51,134.94 : x
  2. Step 2: Convert to fraction form
    169,463.79/254,216.88 = 51,134.94/x
  3. Step 3: Cross multiply
    169,463.79x = 254,216.88 × 51,134.94
  4. Step 4: Simplify right side
    169,463.79x = 12,999,364,905.79
  5. Step 5: Solve for x
    x = 12,999,364,905.79/169,463.79
  6. Step 6: Final answer
    x = 76,708.81

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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.