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Finding the Fourth Proportional to 170,369.60, 255,555.34 and 70,475.67

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Solution

The fourth proportional to 170,369.60, 255,555.34 and 70,475.67 is: 105,713.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,369.60 : 255,555.34 = 70,475.67 : x
  2. Step 2: Convert to fraction form
    170,369.60/255,555.34 = 70,475.67/x
  3. Step 3: Cross multiply
    170,369.60x = 255,555.34 × 70,475.67
  4. Step 4: Simplify right side
    170,369.60x = 18,010,433,632.39
  5. Step 5: Solve for x
    x = 18,010,433,632.39/170,369.60
  6. Step 6: Final answer
    x = 105,713.90

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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.