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Finding the Fourth Proportional to 119,846.44, 165,387.96 and 66,131.44

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Solution

The fourth proportional to 119,846.44, 165,387.96 and 66,131.44 is: 91,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,846.44 : 165,387.96 = 66,131.44 : x
  2. Step 2: Convert to fraction form
    119,846.44/165,387.96 = 66,131.44/x
  3. Step 3: Cross multiply
    119,846.44x = 165,387.96 × 66,131.44
  4. Step 4: Simplify right side
    119,846.44x = 10,937,343,953.46
  5. Step 5: Solve for x
    x = 10,937,343,953.46/119,846.44
  6. Step 6: Final answer
    x = 91,261.32

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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.