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Finding the Fourth Proportional to 93,778.57, 140,599.82 and 43,830.73

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Solution

The fourth proportional to 93,778.57, 140,599.82 and 43,830.73 is: 65,714.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,778.57 : 140,599.82 = 43,830.73 : x
  2. Step 2: Convert to fraction form
    93,778.57/140,599.82 = 43,830.73/x
  3. Step 3: Cross multiply
    93,778.57x = 140,599.82 × 43,830.73
  4. Step 4: Simplify right side
    93,778.57x = 6,162,592,529.31
  5. Step 5: Solve for x
    x = 6,162,592,529.31/93,778.57
  6. Step 6: Final answer
    x = 65,714.29

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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.