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Finding the Fourth Proportional to 173,686.80, 260,530.20 and 171,843.60

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Solution

The fourth proportional to 173,686.80, 260,530.20 and 171,843.60 is: 257,765.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,686.80 : 260,530.20 = 171,843.60 : x
  2. Step 2: Convert to fraction form
    173,686.80/260,530.20 = 171,843.60/x
  3. Step 3: Cross multiply
    173,686.80x = 260,530.20 × 171,843.60
  4. Step 4: Simplify right side
    173,686.80x = 44,770,447,476.72
  5. Step 5: Solve for x
    x = 44,770,447,476.72/173,686.80
  6. Step 6: Final answer
    x = 257,765.40

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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.