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Finding the Fourth Proportional to 95,034, 131,142.90 and 52,590

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Solution

The fourth proportional to 95,034, 131,142.90 and 52,590 is: 72,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,034 : 131,142.90 = 52,590 : x
  2. Step 2: Convert to fraction form
    95,034/131,142.90 = 52,590/x
  3. Step 3: Cross multiply
    95,034x = 131,142.90 × 52,590
  4. Step 4: Simplify right side
    95,034x = 6,896,805,111
  5. Step 5: Solve for x
    x = 6,896,805,111/95,034
  6. Step 6: Final answer
    x = 72,571.98

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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.