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Finding the Fourth Proportional to 308,618.52, 462,965.04 and 108,897.90

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Solution

The fourth proportional to 308,618.52, 462,965.04 and 108,897.90 is: 163,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,618.52 : 462,965.04 = 108,897.90 : x
  2. Step 2: Convert to fraction form
    308,618.52/462,965.04 = 108,897.90/x
  3. Step 3: Cross multiply
    308,618.52x = 462,965.04 × 108,897.90
  4. Step 4: Simplify right side
    308,618.52x = 50,415,920,629.42
  5. Step 5: Solve for x
    x = 50,415,920,629.42/308,618.52
  6. Step 6: Final answer
    x = 163,360.00

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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.