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Finding the Fourth Proportional to 119,253, 164,573.46 and 68,274.84

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Solution

The fourth proportional to 119,253, 164,573.46 and 68,274.84 is: 94,221.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,253 : 164,573.46 = 68,274.84 : x
  2. Step 2: Convert to fraction form
    119,253/164,573.46 = 68,274.84/x
  3. Step 3: Cross multiply
    119,253x = 164,573.46 × 68,274.84
  4. Step 4: Simplify right side
    119,253x = 11,236,226,649.75
  5. Step 5: Solve for x
    x = 11,236,226,649.75/119,253
  6. Step 6: Final answer
    x = 94,221.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.