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Finding the Fourth Proportional to 94,892.29, 130,951.34 and 51,871.95

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Solution

The fourth proportional to 94,892.29, 130,951.34 and 51,871.95 is: 71,583.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,892.29 : 130,951.34 = 51,871.95 : x
  2. Step 2: Convert to fraction form
    94,892.29/130,951.34 = 51,871.95/x
  3. Step 3: Cross multiply
    94,892.29x = 130,951.34 × 51,871.95
  4. Step 4: Simplify right side
    94,892.29x = 6,792,701,101.55
  5. Step 5: Solve for x
    x = 6,792,701,101.55/94,892.29
  6. Step 6: Final answer
    x = 71,583.28

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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.