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Finding the Fourth Proportional to 308,776.66, 463,081.66 and 109,070.75

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Solution

The fourth proportional to 308,776.66, 463,081.66 and 109,070.75 is: 163,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,776.66 : 463,081.66 = 109,070.75 : x
  2. Step 2: Convert to fraction form
    308,776.66/463,081.66 = 109,070.75/x
  3. Step 3: Cross multiply
    308,776.66x = 463,081.66 × 109,070.75
  4. Step 4: Simplify right side
    308,776.66x = 50,508,664,852.47
  5. Step 5: Solve for x
    x = 50,508,664,852.47/308,776.66
  6. Step 6: Final answer
    x = 163,576.69

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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.