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Finding the Fourth Proportional to 171,952.70, 257,929.05 and 108,967.10

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Solution

The fourth proportional to 171,952.70, 257,929.05 and 108,967.10 is: 163,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,952.70 : 257,929.05 = 108,967.10 : x
  2. Step 2: Convert to fraction form
    171,952.70/257,929.05 = 108,967.10/x
  3. Step 3: Cross multiply
    171,952.70x = 257,929.05 × 108,967.10
  4. Step 4: Simplify right side
    171,952.70x = 28,105,780,584.26
  5. Step 5: Solve for x
    x = 28,105,780,584.26/171,952.70
  6. Step 6: Final answer
    x = 163,450.65

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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.