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Finding the Fourth Proportional to 94,571.76, 130,508.64 and 52,131

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Solution

The fourth proportional to 94,571.76, 130,508.64 and 52,131 is: 71,940.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,571.76 : 130,508.64 = 52,131 : x
  2. Step 2: Convert to fraction form
    94,571.76/130,508.64 = 52,131/x
  3. Step 3: Cross multiply
    94,571.76x = 130,508.64 × 52,131
  4. Step 4: Simplify right side
    94,571.76x = 6,803,545,911.84
  5. Step 5: Solve for x
    x = 6,803,545,911.84/94,571.76
  6. Step 6: Final answer
    x = 71,940.57

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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.