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Finding the Fourth Proportional to 166,561.92, 229,809.96 and 94,915.80

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Solution

The fourth proportional to 166,561.92, 229,809.96 and 94,915.80 is: 130,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,561.92 : 229,809.96 = 94,915.80 : x
  2. Step 2: Convert to fraction form
    166,561.92/229,809.96 = 94,915.80/x
  3. Step 3: Cross multiply
    166,561.92x = 229,809.96 × 94,915.80
  4. Step 4: Simplify right side
    166,561.92x = 21,812,596,201.37
  5. Step 5: Solve for x
    x = 21,812,596,201.37/166,561.92
  6. Step 6: Final answer
    x = 130,957.88

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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.