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Finding the Fourth Proportional to 119,675.88, 165,162.22 and 65,970.44

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Solution

The fourth proportional to 119,675.88, 165,162.22 and 65,970.44 is: 91,044.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,675.88 : 165,162.22 = 65,970.44 : x
  2. Step 2: Convert to fraction form
    119,675.88/165,162.22 = 65,970.44/x
  3. Step 3: Cross multiply
    119,675.88x = 165,162.22 × 65,970.44
  4. Step 4: Simplify right side
    119,675.88x = 10,895,824,324.78
  5. Step 5: Solve for x
    x = 10,895,824,324.78/119,675.88
  6. Step 6: Final answer
    x = 91,044.45

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1.5x scale

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.