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Finding the Fourth Proportional to 170,353.20, 255,579.12 and 70,494.96

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Solution

The fourth proportional to 170,353.20, 255,579.12 and 70,494.96 is: 105,762.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,353.20 : 255,579.12 = 70,494.96 : x
  2. Step 2: Convert to fraction form
    170,353.20/255,579.12 = 70,494.96/x
  3. Step 3: Cross multiply
    170,353.20x = 255,579.12 × 70,494.96
  4. Step 4: Simplify right side
    170,353.20x = 18,017,039,841.24
  5. Step 5: Solve for x
    x = 18,017,039,841.24/170,353.20
  6. Step 6: Final answer
    x = 105,762.85

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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.