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Finding the Fourth Proportional to 170,119.59, 255,200.26 and 57,818.31

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Solution

The fourth proportional to 170,119.59, 255,200.26 and 57,818.31 is: 86,734.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,119.59 : 255,200.26 = 57,818.31 : x
  2. Step 2: Convert to fraction form
    170,119.59/255,200.26 = 57,818.31/x
  3. Step 3: Cross multiply
    170,119.59x = 255,200.26 × 57,818.31
  4. Step 4: Simplify right side
    170,119.59x = 14,755,247,744.76
  5. Step 5: Solve for x
    x = 14,755,247,744.76/170,119.59
  6. Step 6: Final answer
    x = 86,734.56

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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.