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Finding the Fourth Proportional to 95,509.79, 131,801.13 and 53,068.43

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Solution

The fourth proportional to 95,509.79, 131,801.13 and 53,068.43 is: 73,233.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,509.79 : 131,801.13 = 53,068.43 : x
  2. Step 2: Convert to fraction form
    95,509.79/131,801.13 = 53,068.43/x
  3. Step 3: Cross multiply
    95,509.79x = 131,801.13 × 53,068.43
  4. Step 4: Simplify right side
    95,509.79x = 6,994,479,041.33
  5. Step 5: Solve for x
    x = 6,994,479,041.33/95,509.79
  6. Step 6: Final answer
    x = 73,233.11

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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.