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Finding the Fourth Proportional to 139,462.55, 209,207.66 and 44,668.92

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Solution

The fourth proportional to 139,462.55, 209,207.66 and 44,668.92 is: 67,007.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,462.55 : 209,207.66 = 44,668.92 : x
  2. Step 2: Convert to fraction form
    139,462.55/209,207.66 = 44,668.92/x
  3. Step 3: Cross multiply
    139,462.55x = 209,207.66 × 44,668.92
  4. Step 4: Simplify right side
    139,462.55x = 9,345,080,227.93
  5. Step 5: Solve for x
    x = 9,345,080,227.93/139,462.55
  6. Step 6: Final answer
    x = 67,007.81

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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.