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Finding the Fourth Proportional to 93,935.39, 140,920.36 and 30,759.03

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Solution

The fourth proportional to 93,935.39, 140,920.36 and 30,759.03 is: 46,144.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,935.39 : 140,920.36 = 30,759.03 : x
  2. Step 2: Convert to fraction form
    93,935.39/140,920.36 = 30,759.03/x
  3. Step 3: Cross multiply
    93,935.39x = 140,920.36 × 30,759.03
  4. Step 4: Simplify right side
    93,935.39x = 4,334,573,503.95
  5. Step 5: Solve for x
    x = 4,334,573,503.95/93,935.39
  6. Step 6: Final answer
    x = 46,144.20

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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.