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Finding the Fourth Proportional to 92,165.22, 127,186.56 and 51,878.88

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Solution

The fourth proportional to 92,165.22, 127,186.56 and 51,878.88 is: 71,592.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,165.22 : 127,186.56 = 51,878.88 : x
  2. Step 2: Convert to fraction form
    92,165.22/127,186.56 = 51,878.88/x
  3. Step 3: Cross multiply
    92,165.22x = 127,186.56 × 51,878.88
  4. Step 4: Simplify right side
    92,165.22x = 6,598,296,283.85
  5. Step 5: Solve for x
    x = 6,598,296,283.85/92,165.22
  6. Step 6: Final answer
    x = 71,592.04

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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.