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Finding the Fourth Proportional to 216,892.79, 324,773.28 and 174,541.53

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Solution

The fourth proportional to 216,892.79, 324,773.28 and 174,541.53 is: 261,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,892.79 : 324,773.28 = 174,541.53 : x
  2. Step 2: Convert to fraction form
    216,892.79/324,773.28 = 174,541.53/x
  3. Step 3: Cross multiply
    216,892.79x = 324,773.28 × 174,541.53
  4. Step 4: Simplify right side
    216,892.79x = 56,686,425,194.32
  5. Step 5: Solve for x
    x = 56,686,425,194.32/216,892.79
  6. Step 6: Final answer
    x = 261,356.90

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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.