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Finding the Fourth Proportional to 119,559, 179,141.68 and 83,539.11

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Solution

The fourth proportional to 119,559, 179,141.68 and 83,539.11 is: 125,171.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,559 : 179,141.68 = 83,539.11 : x
  2. Step 2: Convert to fraction form
    119,559/179,141.68 = 83,539.11/x
  3. Step 3: Cross multiply
    119,559x = 179,141.68 × 83,539.11
  4. Step 4: Simplify right side
    119,559x = 14,965,336,511.10
  5. Step 5: Solve for x
    x = 14,965,336,511.10/119,559
  6. Step 6: Final answer
    x = 125,171.14

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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.