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Finding the Fourth Proportional to 93,940.52, 129,634.48 and 51,498.12

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Solution

The fourth proportional to 93,940.52, 129,634.48 and 51,498.12 is: 71,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,940.52 : 129,634.48 = 51,498.12 : x
  2. Step 2: Convert to fraction form
    93,940.52/129,634.48 = 51,498.12/x
  3. Step 3: Cross multiply
    93,940.52x = 129,634.48 × 51,498.12
  4. Step 4: Simplify right side
    93,940.52x = 6,675,932,007.18
  5. Step 5: Solve for x
    x = 6,675,932,007.18/93,940.52
  6. Step 6: Final answer
    x = 71,065.52

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1.5x scale

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.