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Finding the Fourth Proportional to 93,782.40, 140,575.44 and 67,472.88

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Solution

The fourth proportional to 93,782.40, 140,575.44 and 67,472.88 is: 101,138.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,782.40 : 140,575.44 = 67,472.88 : x
  2. Step 2: Convert to fraction form
    93,782.40/140,575.44 = 67,472.88/x
  3. Step 3: Cross multiply
    93,782.40x = 140,575.44 × 67,472.88
  4. Step 4: Simplify right side
    93,782.40x = 9,485,029,794.07
  5. Step 5: Solve for x
    x = 9,485,029,794.07/93,782.40
  6. Step 6: Final answer
    x = 101,138.70

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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.