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Finding the Fourth Proportional to 468,666.50, 703,119.63 and 136,242.50

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Solution

The fourth proportional to 468,666.50, 703,119.63 and 136,242.50 is: 204,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,666.50 : 703,119.63 = 136,242.50 : x
  2. Step 2: Convert to fraction form
    468,666.50/703,119.63 = 136,242.50/x
  3. Step 3: Cross multiply
    468,666.50x = 703,119.63 × 136,242.50
  4. Step 4: Simplify right side
    468,666.50x = 95,794,776,190.28
  5. Step 5: Solve for x
    x = 95,794,776,190.28/468,666.50
  6. Step 6: Final answer
    x = 204,398.60

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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.