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Finding the Fourth Proportional to 119,592, 165,044.43 and 65,877.03

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Solution

The fourth proportional to 119,592, 165,044.43 and 65,877.03 is: 90,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,592 : 165,044.43 = 65,877.03 : x
  2. Step 2: Convert to fraction form
    119,592/165,044.43 = 65,877.03/x
  3. Step 3: Cross multiply
    119,592x = 165,044.43 × 65,877.03
  4. Step 4: Simplify right side
    119,592x = 10,872,636,866.44
  5. Step 5: Solve for x
    x = 10,872,636,866.44/119,592
  6. Step 6: Final answer
    x = 90,914.42

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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.