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Finding the Fourth Proportional to 308,564.36, 462,752.18 and 108,838.04

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Solution

The fourth proportional to 308,564.36, 462,752.18 and 108,838.04 is: 163,223.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,564.36 : 462,752.18 = 108,838.04 : x
  2. Step 2: Convert to fraction form
    308,564.36/462,752.18 = 108,838.04/x
  3. Step 3: Cross multiply
    308,564.36x = 462,752.18 × 108,838.04
  4. Step 4: Simplify right side
    308,564.36x = 50,365,037,827.12
  5. Step 5: Solve for x
    x = 50,365,037,827.12/308,564.36
  6. Step 6: Final answer
    x = 163,223.77

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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.