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Finding the Fourth Proportional to 227,369.66, 313,792.31 and 169,909.21

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Solution

The fourth proportional to 227,369.66, 313,792.31 and 169,909.21 is: 234,491.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,369.66 : 313,792.31 = 169,909.21 : x
  2. Step 2: Convert to fraction form
    227,369.66/313,792.31 = 169,909.21/x
  3. Step 3: Cross multiply
    227,369.66x = 313,792.31 × 169,909.21
  4. Step 4: Simplify right side
    227,369.66x = 53,316,203,136.47
  5. Step 5: Solve for x
    x = 53,316,203,136.47/227,369.66
  6. Step 6: Final answer
    x = 234,491.28

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1.5x scale

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.