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Finding the Fourth Proportional to 93,438.15, 140,286.83 and 58,446.15

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Solution

The fourth proportional to 93,438.15, 140,286.83 and 58,446.15 is: 87,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,438.15 : 140,286.83 = 58,446.15 : x
  2. Step 2: Convert to fraction form
    93,438.15/140,286.83 = 58,446.15/x
  3. Step 3: Cross multiply
    93,438.15x = 140,286.83 × 58,446.15
  4. Step 4: Simplify right side
    93,438.15x = 8,199,224,816.97
  5. Step 5: Solve for x
    x = 8,199,224,816.97/93,438.15
  6. Step 6: Final answer
    x = 87,750.29

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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.