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Finding the Fourth Proportional to 79,212.85, 118,825.50 and 23,053.72

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Solution

The fourth proportional to 79,212.85, 118,825.50 and 23,053.72 is: 34,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,212.85 : 118,825.50 = 23,053.72 : x
  2. Step 2: Convert to fraction form
    79,212.85/118,825.50 = 23,053.72/x
  3. Step 3: Cross multiply
    79,212.85x = 118,825.50 × 23,053.72
  4. Step 4: Simplify right side
    79,212.85x = 2,739,369,805.86
  5. Step 5: Solve for x
    x = 2,739,369,805.86/79,212.85
  6. Step 6: Final answer
    x = 34,582.39

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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.