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Finding the Fourth Proportional to 93,838.82, 140,680.65 and 43,894.34

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Solution

The fourth proportional to 93,838.82, 140,680.65 and 43,894.34 is: 65,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,838.82 : 140,680.65 = 43,894.34 : x
  2. Step 2: Convert to fraction form
    93,838.82/140,680.65 = 43,894.34/x
  3. Step 3: Cross multiply
    93,838.82x = 140,680.65 × 43,894.34
  4. Step 4: Simplify right side
    93,838.82x = 6,175,084,282.52
  5. Step 5: Solve for x
    x = 6,175,084,282.52/93,838.82
  6. Step 6: Final answer
    x = 65,805.22

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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.