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Finding the Fourth Proportional to 73,852.60, 110,778.90 and 69,770.20

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Solution

The fourth proportional to 73,852.60, 110,778.90 and 69,770.20 is: 104,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,852.60 : 110,778.90 = 69,770.20 : x
  2. Step 2: Convert to fraction form
    73,852.60/110,778.90 = 69,770.20/x
  3. Step 3: Cross multiply
    73,852.60x = 110,778.90 × 69,770.20
  4. Step 4: Simplify right side
    73,852.60x = 7,729,066,008.78
  5. Step 5: Solve for x
    x = 7,729,066,008.78/73,852.60
  6. Step 6: Final answer
    x = 104,655.30

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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.