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Finding the Fourth Proportional to 92,034.51, 138,054.84 and 25,469.07

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Solution

The fourth proportional to 92,034.51, 138,054.84 and 25,469.07 is: 38,204.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,034.51 : 138,054.84 = 25,469.07 : x
  2. Step 2: Convert to fraction form
    92,034.51/138,054.84 = 25,469.07/x
  3. Step 3: Cross multiply
    92,034.51x = 138,054.84 × 25,469.07
  4. Step 4: Simplify right side
    92,034.51x = 3,516,128,383.80
  5. Step 5: Solve for x
    x = 3,516,128,383.80/92,034.51
  6. Step 6: Final answer
    x = 38,204.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.