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Finding the Fourth Proportional to 243,325.82, 365,023.46 and 74,860.20

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Solution

The fourth proportional to 243,325.82, 365,023.46 and 74,860.20 is: 112,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,325.82 : 365,023.46 = 74,860.20 : x
  2. Step 2: Convert to fraction form
    243,325.82/365,023.46 = 74,860.20/x
  3. Step 3: Cross multiply
    243,325.82x = 365,023.46 × 74,860.20
  4. Step 4: Simplify right side
    243,325.82x = 27,325,729,407.44
  5. Step 5: Solve for x
    x = 27,325,729,407.44/243,325.82
  6. Step 6: Final answer
    x = 112,300.98

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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.