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Finding the Fourth Proportional to 93,959.97, 140,920.83 and 34,781.58

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Solution

The fourth proportional to 93,959.97, 140,920.83 and 34,781.58 is: 52,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,959.97 : 140,920.83 = 34,781.58 : x
  2. Step 2: Convert to fraction form
    93,959.97/140,920.83 = 34,781.58/x
  3. Step 3: Cross multiply
    93,959.97x = 140,920.83 × 34,781.58
  4. Step 4: Simplify right side
    93,959.97x = 4,901,448,463.43
  5. Step 5: Solve for x
    x = 4,901,448,463.43/93,959.97
  6. Step 6: Final answer
    x = 52,165.28

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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.