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Finding the Fourth Proportional to 216,892.68, 325,276.44 and 74,732.16

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Solution

The fourth proportional to 216,892.68, 325,276.44 and 74,732.16 is: 112,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,892.68 : 325,276.44 = 74,732.16 : x
  2. Step 2: Convert to fraction form
    216,892.68/325,276.44 = 74,732.16/x
  3. Step 3: Cross multiply
    216,892.68x = 325,276.44 × 74,732.16
  4. Step 4: Simplify right side
    216,892.68x = 24,308,610,958.31
  5. Step 5: Solve for x
    x = 24,308,610,958.31/216,892.68
  6. Step 6: Final answer
    x = 112,076.68

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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.