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Finding the Fourth Proportional to 92,087.68, 127,092.24 and 51,803.14

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Solution

The fourth proportional to 92,087.68, 127,092.24 and 51,803.14 is: 71,494.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,087.68 : 127,092.24 = 51,803.14 : x
  2. Step 2: Convert to fraction form
    92,087.68/127,092.24 = 51,803.14/x
  3. Step 3: Cross multiply
    92,087.68x = 127,092.24 × 51,803.14
  4. Step 4: Simplify right side
    92,087.68x = 6,583,777,101.63
  5. Step 5: Solve for x
    x = 6,583,777,101.63/92,087.68
  6. Step 6: Final answer
    x = 71,494.66

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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.