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Finding the Fourth Proportional to 95,152, 131,309.76 and 57,426.26

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Solution

The fourth proportional to 95,152, 131,309.76 and 57,426.26 is: 79,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,152 : 131,309.76 = 57,426.26 : x
  2. Step 2: Convert to fraction form
    95,152/131,309.76 = 57,426.26/x
  3. Step 3: Cross multiply
    95,152x = 131,309.76 × 57,426.26
  4. Step 4: Simplify right side
    95,152x = 7,540,628,418.30
  5. Step 5: Solve for x
    x = 7,540,628,418.30/95,152
  6. Step 6: Final answer
    x = 79,248.24

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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.