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Finding the Fourth Proportional to 173,020.60, 259,530.90 and 171,854.20

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Solution

The fourth proportional to 173,020.60, 259,530.90 and 171,854.20 is: 257,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,020.60 : 259,530.90 = 171,854.20 : x
  2. Step 2: Convert to fraction form
    173,020.60/259,530.90 = 171,854.20/x
  3. Step 3: Cross multiply
    173,020.60x = 259,530.90 × 171,854.20
  4. Step 4: Simplify right side
    173,020.60x = 44,601,475,194.78
  5. Step 5: Solve for x
    x = 44,601,475,194.78/173,020.60
  6. Step 6: Final answer
    x = 257,781.30

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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.