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Finding the Fourth Proportional to 84,110.78, 126,166.64 and 24,946.89

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Solution

The fourth proportional to 84,110.78, 126,166.64 and 24,946.89 is: 37,420.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,110.78 : 126,166.64 = 24,946.89 : x
  2. Step 2: Convert to fraction form
    84,110.78/126,166.64 = 24,946.89/x
  3. Step 3: Cross multiply
    84,110.78x = 126,166.64 × 24,946.89
  4. Step 4: Simplify right side
    84,110.78x = 3,147,465,165.02
  5. Step 5: Solve for x
    x = 3,147,465,165.02/84,110.78
  6. Step 6: Final answer
    x = 37,420.48

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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.