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Finding the Fourth Proportional to 79,200.47, 118,800.71 and 26,609.96

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Solution

The fourth proportional to 79,200.47, 118,800.71 and 26,609.96 is: 39,914.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,200.47 : 118,800.71 = 26,609.96 : x
  2. Step 2: Convert to fraction form
    79,200.47/118,800.71 = 26,609.96/x
  3. Step 3: Cross multiply
    79,200.47x = 118,800.71 × 26,609.96
  4. Step 4: Simplify right side
    79,200.47x = 3,161,282,141.07
  5. Step 5: Solve for x
    x = 3,161,282,141.07/79,200.47
  6. Step 6: Final answer
    x = 39,914.94

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Similar ratio
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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.