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Finding the Fourth Proportional to 119,252.88, 164,572.92 and 65,539.80

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Solution

The fourth proportional to 119,252.88, 164,572.92 and 65,539.80 is: 90,447.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,252.88 : 164,572.92 = 65,539.80 : x
  2. Step 2: Convert to fraction form
    119,252.88/164,572.92 = 65,539.80/x
  3. Step 3: Cross multiply
    119,252.88x = 164,572.92 × 65,539.80
  4. Step 4: Simplify right side
    119,252.88x = 10,786,076,262.22
  5. Step 5: Solve for x
    x = 10,786,076,262.22/119,252.88
  6. Step 6: Final answer
    x = 90,447.09

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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.