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Finding the Fourth Proportional to 171,952.70, 257,929.05 and 112,166.60

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Solution

The fourth proportional to 171,952.70, 257,929.05 and 112,166.60 is: 168,249.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,952.70 : 257,929.05 = 112,166.60 : x
  2. Step 2: Convert to fraction form
    171,952.70/257,929.05 = 112,166.60/x
  3. Step 3: Cross multiply
    171,952.70x = 257,929.05 × 112,166.60
  4. Step 4: Simplify right side
    171,952.70x = 28,931,024,579.73
  5. Step 5: Solve for x
    x = 28,931,024,579.73/171,952.70
  6. Step 6: Final answer
    x = 168,249.90

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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.