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Finding the Fourth Proportional to 171,929.40, 257,310.90 and 150,934.20

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Solution

The fourth proportional to 171,929.40, 257,310.90 and 150,934.20 is: 225,889.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,929.40 : 257,310.90 = 150,934.20 : x
  2. Step 2: Convert to fraction form
    171,929.40/257,310.90 = 150,934.20/x
  3. Step 3: Cross multiply
    171,929.40x = 257,310.90 × 150,934.20
  4. Step 4: Simplify right side
    171,929.40x = 38,837,014,842.78
  5. Step 5: Solve for x
    x = 38,837,014,842.78/171,929.40
  6. Step 6: Final answer
    x = 225,889.32

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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.