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Finding the Fourth Proportional to 95,567.42, 131,891.02 and 53,129.90

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Solution

The fourth proportional to 95,567.42, 131,891.02 and 53,129.90 is: 73,323.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,567.42 : 131,891.02 = 53,129.90 : x
  2. Step 2: Convert to fraction form
    95,567.42/131,891.02 = 53,129.90/x
  3. Step 3: Cross multiply
    95,567.42x = 131,891.02 × 53,129.90
  4. Step 4: Simplify right side
    95,567.42x = 7,007,356,703.50
  5. Step 5: Solve for x
    x = 7,007,356,703.50/95,567.42
  6. Step 6: Final answer
    x = 73,323.70

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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.