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Finding the Fourth Proportional to 308,793.16, 463,106.40 and 109,087.26

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Solution

The fourth proportional to 308,793.16, 463,106.40 and 109,087.26 is: 163,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,793.16 : 463,106.40 = 109,087.26 : x
  2. Step 2: Convert to fraction form
    308,793.16/463,106.40 = 109,087.26/x
  3. Step 3: Cross multiply
    308,793.16x = 463,106.40 × 109,087.26
  4. Step 4: Simplify right side
    308,793.16x = 50,519,008,264.46
  5. Step 5: Solve for x
    x = 50,519,008,264.46/308,793.16
  6. Step 6: Final answer
    x = 163,601.45

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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.