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Finding the Fourth Proportional to 92,405.56, 138,608.48 and 22,284.87

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Solution

The fourth proportional to 92,405.56, 138,608.48 and 22,284.87 is: 33,427.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,405.56 : 138,608.48 = 22,284.87 : x
  2. Step 2: Convert to fraction form
    92,405.56/138,608.48 = 22,284.87/x
  3. Step 3: Cross multiply
    92,405.56x = 138,608.48 × 22,284.87
  4. Step 4: Simplify right side
    92,405.56x = 3,088,872,407.84
  5. Step 5: Solve for x
    x = 3,088,872,407.84/92,405.56
  6. Step 6: Final answer
    x = 33,427.34

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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.