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Finding the Fourth Proportional to 92,507.57, 127,645.85 and 54,264.41

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Solution

The fourth proportional to 92,507.57, 127,645.85 and 54,264.41 is: 74,876.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,507.57 : 127,645.85 = 54,264.41 : x
  2. Step 2: Convert to fraction form
    92,507.57/127,645.85 = 54,264.41/x
  3. Step 3: Cross multiply
    92,507.57x = 127,645.85 × 54,264.41
  4. Step 4: Simplify right side
    92,507.57x = 6,926,626,467.88
  5. Step 5: Solve for x
    x = 6,926,626,467.88/92,507.57
  6. Step 6: Final answer
    x = 74,876.32

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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.