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Finding the Fourth Proportional to 308,175.60, 462,220.20 and 97,834.80

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Solution

The fourth proportional to 308,175.60, 462,220.20 and 97,834.80 is: 146,738.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,175.60 : 462,220.20 = 97,834.80 : x
  2. Step 2: Convert to fraction form
    308,175.60/462,220.20 = 97,834.80/x
  3. Step 3: Cross multiply
    308,175.60x = 462,220.20 × 97,834.80
  4. Step 4: Simplify right side
    308,175.60x = 45,221,220,822.96
  5. Step 5: Solve for x
    x = 45,221,220,822.96/308,175.60
  6. Step 6: Final answer
    x = 146,738.49

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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.