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Finding the Fourth Proportional to 79,277.54, 109,403.87 and 43,466.76

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Solution

The fourth proportional to 79,277.54, 109,403.87 and 43,466.76 is: 59,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,277.54 : 109,403.87 = 43,466.76 : x
  2. Step 2: Convert to fraction form
    79,277.54/109,403.87 = 43,466.76/x
  3. Step 3: Cross multiply
    79,277.54x = 109,403.87 × 43,466.76
  4. Step 4: Simplify right side
    79,277.54x = 4,755,431,543.03
  5. Step 5: Solve for x
    x = 4,755,431,543.03/79,277.54
  6. Step 6: Final answer
    x = 59,984.60

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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.