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Finding the Fourth Proportional to 93,797.54, 129,439.46 and 51,355.16

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Solution

The fourth proportional to 93,797.54, 129,439.46 and 51,355.16 is: 70,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,797.54 : 129,439.46 = 51,355.16 : x
  2. Step 2: Convert to fraction form
    93,797.54/129,439.46 = 51,355.16/x
  3. Step 3: Cross multiply
    93,797.54x = 129,439.46 × 51,355.16
  4. Step 4: Simplify right side
    93,797.54x = 6,647,384,178.61
  5. Step 5: Solve for x
    x = 6,647,384,178.61/93,797.54
  6. Step 6: Final answer
    x = 70,869.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.