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Finding the Fourth Proportional to 195,612.20, 292,762.20 and 171,992.60

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Solution

The fourth proportional to 195,612.20, 292,762.20 and 171,992.60 is: 257,412.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,612.20 : 292,762.20 = 171,992.60 : x
  2. Step 2: Convert to fraction form
    195,612.20/292,762.20 = 171,992.60/x
  3. Step 3: Cross multiply
    195,612.20x = 292,762.20 × 171,992.60
  4. Step 4: Simplify right side
    195,612.20x = 50,352,931,959.72
  5. Step 5: Solve for x
    x = 50,352,931,959.72/195,612.20
  6. Step 6: Final answer
    x = 257,412.02

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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.