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Finding the Fourth Proportional to 95,395.62, 131,664.29 and 63,130.89

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Solution

The fourth proportional to 95,395.62, 131,664.29 and 63,130.89 is: 87,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,395.62 : 131,664.29 = 63,130.89 : x
  2. Step 2: Convert to fraction form
    95,395.62/131,664.29 = 63,130.89/x
  3. Step 3: Cross multiply
    95,395.62x = 131,664.29 × 63,130.89
  4. Step 4: Simplify right side
    95,395.62x = 8,312,083,987.00
  5. Step 5: Solve for x
    x = 8,312,083,987.00/95,395.62
  6. Step 6: Final answer
    x = 87,132.76

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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.