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Finding the Fourth Proportional to 186,859.26, 280,336.88 and 53,749.94

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Solution

The fourth proportional to 186,859.26, 280,336.88 and 53,749.94 is: 80,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,859.26 : 280,336.88 = 53,749.94 : x
  2. Step 2: Convert to fraction form
    186,859.26/280,336.88 = 53,749.94/x
  3. Step 3: Cross multiply
    186,859.26x = 280,336.88 × 53,749.94
  4. Step 4: Simplify right side
    186,859.26x = 15,068,090,479.79
  5. Step 5: Solve for x
    x = 15,068,090,479.79/186,859.26
  6. Step 6: Final answer
    x = 80,638.71

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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.