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Finding the Fourth Proportional to 93,669.75, 140,504.76 and 38,265.75

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Solution

The fourth proportional to 93,669.75, 140,504.76 and 38,265.75 is: 57,398.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,669.75 : 140,504.76 = 38,265.75 : x
  2. Step 2: Convert to fraction form
    93,669.75/140,504.76 = 38,265.75/x
  3. Step 3: Cross multiply
    93,669.75x = 140,504.76 × 38,265.75
  4. Step 4: Simplify right side
    93,669.75x = 5,376,520,019.97
  5. Step 5: Solve for x
    x = 5,376,520,019.97/93,669.75
  6. Step 6: Final answer
    x = 57,398.68

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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.