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Finding the Fourth Proportional to 243,327.14, 365,025.64 and 74,861.62

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Solution

The fourth proportional to 243,327.14, 365,025.64 and 74,861.62 is: 112,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,327.14 : 365,025.64 = 74,861.62 : x
  2. Step 2: Convert to fraction form
    243,327.14/365,025.64 = 74,861.62/x
  3. Step 3: Cross multiply
    243,327.14x = 365,025.64 × 74,861.62
  4. Step 4: Simplify right side
    243,327.14x = 27,326,410,751.94
  5. Step 5: Solve for x
    x = 27,326,410,751.94/243,327.14
  6. Step 6: Final answer
    x = 112,303.18

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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.