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Finding the Fourth Proportional to 93,759.48, 140,639.85 and 38,355.48

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Solution

The fourth proportional to 93,759.48, 140,639.85 and 38,355.48 is: 57,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,759.48 : 140,639.85 = 38,355.48 : x
  2. Step 2: Convert to fraction form
    93,759.48/140,639.85 = 38,355.48/x
  3. Step 3: Cross multiply
    93,759.48x = 140,639.85 × 38,355.48
  4. Step 4: Simplify right side
    93,759.48x = 5,394,308,953.88
  5. Step 5: Solve for x
    x = 5,394,308,953.88/93,759.48
  6. Step 6: Final answer
    x = 57,533.48

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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.