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Finding the Fourth Proportional to 93,670.88, 129,265.91 and 51,229.51

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Solution

The fourth proportional to 93,670.88, 129,265.91 and 51,229.51 is: 70,696.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,670.88 : 129,265.91 = 51,229.51 : x
  2. Step 2: Convert to fraction form
    93,670.88/129,265.91 = 51,229.51/x
  3. Step 3: Cross multiply
    93,670.88x = 129,265.91 × 51,229.51
  4. Step 4: Simplify right side
    93,670.88x = 6,622,228,841.80
  5. Step 5: Solve for x
    x = 6,622,228,841.80/93,670.88
  6. Step 6: Final answer
    x = 70,696.78

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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.