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Finding the Fourth Proportional to 95,174.64, 142,608.78 and 61,975.98

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Solution

The fourth proportional to 95,174.64, 142,608.78 and 61,975.98 is: 92,864.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,174.64 : 142,608.78 = 61,975.98 : x
  2. Step 2: Convert to fraction form
    95,174.64/142,608.78 = 61,975.98/x
  3. Step 3: Cross multiply
    95,174.64x = 142,608.78 × 61,975.98
  4. Step 4: Simplify right side
    95,174.64x = 8,838,318,897.10
  5. Step 5: Solve for x
    x = 8,838,318,897.10/95,174.64
  6. Step 6: Final answer
    x = 92,864.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.