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Finding the Fourth Proportional to 93,672.90, 140,474.09 and 30,476.49

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Solution

The fourth proportional to 93,672.90, 140,474.09 and 30,476.49 is: 45,703.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,672.90 : 140,474.09 = 30,476.49 : x
  2. Step 2: Convert to fraction form
    93,672.90/140,474.09 = 30,476.49/x
  3. Step 3: Cross multiply
    93,672.90x = 140,474.09 × 30,476.49
  4. Step 4: Simplify right side
    93,672.90x = 4,281,157,046.76
  5. Step 5: Solve for x
    x = 4,281,157,046.76/93,672.90
  6. Step 6: Final answer
    x = 45,703.26

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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.