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Finding the Fourth Proportional to 93,768.87, 140,657.83 and 30,588.87

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Solution

The fourth proportional to 93,768.87, 140,657.83 and 30,588.87 is: 45,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,768.87 : 140,657.83 = 30,588.87 : x
  2. Step 2: Convert to fraction form
    93,768.87/140,657.83 = 30,588.87/x
  3. Step 3: Cross multiply
    93,768.87x = 140,657.83 × 30,588.87
  4. Step 4: Simplify right side
    93,768.87x = 4,302,563,373.06
  5. Step 5: Solve for x
    x = 4,302,563,373.06/93,768.87
  6. Step 6: Final answer
    x = 45,884.78

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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.