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Finding the Fourth Proportional to 119,052, 164,343.01 and 73,119.09

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Solution

The fourth proportional to 119,052, 164,343.01 and 73,119.09 is: 100,935.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,052 : 164,343.01 = 73,119.09 : x
  2. Step 2: Convert to fraction form
    119,052/164,343.01 = 73,119.09/x
  3. Step 3: Cross multiply
    119,052x = 164,343.01 × 73,119.09
  4. Step 4: Simplify right side
    119,052x = 12,016,611,339.06
  5. Step 5: Solve for x
    x = 12,016,611,339.06/119,052
  6. Step 6: Final answer
    x = 100,935.82

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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.