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Finding the Fourth Proportional to 95,428.96, 131,696.08 and 52,987.52

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Solution

The fourth proportional to 95,428.96, 131,696.08 and 52,987.52 is: 73,125.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,428.96 : 131,696.08 = 52,987.52 : x
  2. Step 2: Convert to fraction form
    95,428.96/131,696.08 = 52,987.52/x
  3. Step 3: Cross multiply
    95,428.96x = 131,696.08 × 52,987.52
  4. Step 4: Simplify right side
    95,428.96x = 6,978,248,672.92
  5. Step 5: Solve for x
    x = 6,978,248,672.92/95,428.96
  6. Step 6: Final answer
    x = 73,125.06

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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.