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Finding the Fourth Proportional to 247,846.11, 342,027 and 134,668.86

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Solution

The fourth proportional to 247,846.11, 342,027 and 134,668.86 is: 185,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,846.11 : 342,027 = 134,668.86 : x
  2. Step 2: Convert to fraction form
    247,846.11/342,027 = 134,668.86/x
  3. Step 3: Cross multiply
    247,846.11x = 342,027 × 134,668.86
  4. Step 4: Simplify right side
    247,846.11x = 46,060,386,179.22
  5. Step 5: Solve for x
    x = 46,060,386,179.22/247,846.11
  6. Step 6: Final answer
    x = 185,842.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.