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Finding the Fourth Proportional to 170,730.80, 255,635.40 and 170,730.80

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Solution

The fourth proportional to 170,730.80, 255,635.40 and 170,730.80 is: 255,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,730.80 : 255,635.40 = 170,730.80 : x
  2. Step 2: Convert to fraction form
    170,730.80/255,635.40 = 170,730.80/x
  3. Step 3: Cross multiply
    170,730.80x = 255,635.40 × 170,730.80
  4. Step 4: Simplify right side
    170,730.80x = 43,644,836,350.32
  5. Step 5: Solve for x
    x = 43,644,836,350.32/170,730.80
  6. Step 6: Final answer
    x = 255,635.40

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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.