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Finding the Fourth Proportional to 308,641.18, 462,962.94 and 108,853.06

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Solution

The fourth proportional to 308,641.18, 462,962.94 and 108,853.06 is: 163,280.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,641.18 : 462,962.94 = 108,853.06 : x
  2. Step 2: Convert to fraction form
    308,641.18/462,962.94 = 108,853.06/x
  3. Step 3: Cross multiply
    308,641.18x = 462,962.94 × 108,853.06
  4. Step 4: Simplify right side
    308,641.18x = 50,394,932,685.60
  5. Step 5: Solve for x
    x = 50,394,932,685.60/308,641.18
  6. Step 6: Final answer
    x = 163,280.00

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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.