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Finding the Fourth Proportional to 170,622.80, 256,241.40 and 165,093.20

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Solution

The fourth proportional to 170,622.80, 256,241.40 and 165,093.20 is: 247,937.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,622.80 : 256,241.40 = 165,093.20 : x
  2. Step 2: Convert to fraction form
    170,622.80/256,241.40 = 165,093.20/x
  3. Step 3: Cross multiply
    170,622.80x = 256,241.40 × 165,093.20
  4. Step 4: Simplify right side
    170,622.80x = 42,303,712,698.48
  5. Step 5: Solve for x
    x = 42,303,712,698.48/170,622.80
  6. Step 6: Final answer
    x = 247,937.04

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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.