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Finding the Fourth Proportional to 78,097.64, 107,770.77 and 44,103.42

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Solution

The fourth proportional to 78,097.64, 107,770.77 and 44,103.42 is: 60,860.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,097.64 : 107,770.77 = 44,103.42 : x
  2. Step 2: Convert to fraction form
    78,097.64/107,770.77 = 44,103.42/x
  3. Step 3: Cross multiply
    78,097.64x = 107,770.77 × 44,103.42
  4. Step 4: Simplify right side
    78,097.64x = 4,753,059,533.03
  5. Step 5: Solve for x
    x = 4,753,059,533.03/78,097.64
  6. Step 6: Final answer
    x = 60,860.48

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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.