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Finding the Fourth Proportional to 308,315.04, 462,516.64 and 95,100.96

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Solution

The fourth proportional to 308,315.04, 462,516.64 and 95,100.96 is: 142,665.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,315.04 : 462,516.64 = 95,100.96 : x
  2. Step 2: Convert to fraction form
    308,315.04/462,516.64 = 95,100.96/x
  3. Step 3: Cross multiply
    308,315.04x = 462,516.64 × 95,100.96
  4. Step 4: Simplify right side
    308,315.04x = 43,985,776,479.97
  5. Step 5: Solve for x
    x = 43,985,776,479.97/308,315.04
  6. Step 6: Final answer
    x = 142,665.04

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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.