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Finding the Fourth Proportional to 77,802.94, 116,695.90 and 25,198.30

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Solution

The fourth proportional to 77,802.94, 116,695.90 and 25,198.30 is: 37,794.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,802.94 : 116,695.90 = 25,198.30 : x
  2. Step 2: Convert to fraction form
    77,802.94/116,695.90 = 25,198.30/x
  3. Step 3: Cross multiply
    77,802.94x = 116,695.90 × 25,198.30
  4. Step 4: Simplify right side
    77,802.94x = 2,940,538,296.97
  5. Step 5: Solve for x
    x = 2,940,538,296.97/77,802.94
  6. Step 6: Final answer
    x = 37,794.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.