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Finding the Fourth Proportional to 79,794.54, 110,116.43 and 43,985.15

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Solution

The fourth proportional to 79,794.54, 110,116.43 and 43,985.15 is: 60,699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,794.54 : 110,116.43 = 43,985.15 : x
  2. Step 2: Convert to fraction form
    79,794.54/110,116.43 = 43,985.15/x
  3. Step 3: Cross multiply
    79,794.54x = 110,116.43 × 43,985.15
  4. Step 4: Simplify right side
    79,794.54x = 4,843,487,663.33
  5. Step 5: Solve for x
    x = 4,843,487,663.33/79,794.54
  6. Step 6: Final answer
    x = 60,699.49

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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.