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Finding the Fourth Proportional to 268,441.71, 370,446.22 and 147,581.94

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Solution

The fourth proportional to 268,441.71, 370,446.22 and 147,581.94 is: 203,661.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,441.71 : 370,446.22 = 147,581.94 : x
  2. Step 2: Convert to fraction form
    268,441.71/370,446.22 = 147,581.94/x
  3. Step 3: Cross multiply
    268,441.71x = 370,446.22 × 147,581.94
  4. Step 4: Simplify right side
    268,441.71x = 54,671,171,813.27
  5. Step 5: Solve for x
    x = 54,671,171,813.27/268,441.71
  6. Step 6: Final answer
    x = 203,661.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.