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Finding the Fourth Proportional to 93,540.80, 140,311.74 and 23,420.18

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Solution

The fourth proportional to 93,540.80, 140,311.74 and 23,420.18 is: 35,130.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,540.80 : 140,311.74 = 23,420.18 : x
  2. Step 2: Convert to fraction form
    93,540.80/140,311.74 = 23,420.18/x
  3. Step 3: Cross multiply
    93,540.80x = 140,311.74 × 23,420.18
  4. Step 4: Simplify right side
    93,540.80x = 3,286,126,206.91
  5. Step 5: Solve for x
    x = 3,286,126,206.91/93,540.80
  6. Step 6: Final answer
    x = 35,130.41

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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.