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Finding the Fourth Proportional to 171,569.46, 257,355.93 and 45,227.84

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Solution

The fourth proportional to 171,569.46, 257,355.93 and 45,227.84 is: 67,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,569.46 : 257,355.93 = 45,227.84 : x
  2. Step 2: Convert to fraction form
    171,569.46/257,355.93 = 45,227.84/x
  3. Step 3: Cross multiply
    171,569.46x = 257,355.93 × 45,227.84
  4. Step 4: Simplify right side
    171,569.46x = 11,639,651,707.92
  5. Step 5: Solve for x
    x = 11,639,651,707.92/171,569.46
  6. Step 6: Final answer
    x = 67,842.21

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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.