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Finding the Fourth Proportional to 216,569.62, 324,773.43 and 74,374.39

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Solution

The fourth proportional to 216,569.62, 324,773.43 and 74,374.39 is: 111,533.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,569.62 : 324,773.43 = 74,374.39 : x
  2. Step 2: Convert to fraction form
    216,569.62/324,773.43 = 74,374.39/x
  3. Step 3: Cross multiply
    216,569.62x = 324,773.43 × 74,374.39
  4. Step 4: Simplify right side
    216,569.62x = 24,154,825,744.46
  5. Step 5: Solve for x
    x = 24,154,825,744.46/216,569.62
  6. Step 6: Final answer
    x = 111,533.77

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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.