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Finding the Fourth Proportional to 80,462.80, 120,590.08 and 44,923.20

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Solution

The fourth proportional to 80,462.80, 120,590.08 and 44,923.20 is: 67,326.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,462.80 : 120,590.08 = 44,923.20 : x
  2. Step 2: Convert to fraction form
    80,462.80/120,590.08 = 44,923.20/x
  3. Step 3: Cross multiply
    80,462.80x = 120,590.08 × 44,923.20
  4. Step 4: Simplify right side
    80,462.80x = 5,417,292,281.86
  5. Step 5: Solve for x
    x = 5,417,292,281.86/80,462.80
  6. Step 6: Final answer
    x = 67,326.67

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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.