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Finding the Fourth Proportional to 119,675.73, 165,153.52 and 65,960.88

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Solution

The fourth proportional to 119,675.73, 165,153.52 and 65,960.88 is: 91,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,675.73 : 165,153.52 = 65,960.88 : x
  2. Step 2: Convert to fraction form
    119,675.73/165,153.52 = 65,960.88/x
  3. Step 3: Cross multiply
    119,675.73x = 165,153.52 × 65,960.88
  4. Step 4: Simplify right side
    119,675.73x = 10,893,671,184.49
  5. Step 5: Solve for x
    x = 10,893,671,184.49/119,675.73
  6. Step 6: Final answer
    x = 91,026.57

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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.