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Finding the Fourth Proportional to 92,353.32, 138,551.36 and 29,179.71

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Solution

The fourth proportional to 92,353.32, 138,551.36 and 29,179.71 is: 43,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,353.32 : 138,551.36 = 29,179.71 : x
  2. Step 2: Convert to fraction form
    92,353.32/138,551.36 = 29,179.71/x
  3. Step 3: Cross multiply
    92,353.32x = 138,551.36 × 29,179.71
  4. Step 4: Simplify right side
    92,353.32x = 4,042,888,359.01
  5. Step 5: Solve for x
    x = 4,042,888,359.01/92,353.32
  6. Step 6: Final answer
    x = 43,776.32

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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.