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Finding the Fourth Proportional to 468,988.56, 703,420.55 and 132,055.49

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Solution

The fourth proportional to 468,988.56, 703,420.55 and 132,055.49 is: 198,065.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,988.56 : 703,420.55 = 132,055.49 : x
  2. Step 2: Convert to fraction form
    468,988.56/703,420.55 = 132,055.49/x
  3. Step 3: Cross multiply
    468,988.56x = 703,420.55 × 132,055.49
  4. Step 4: Simplify right side
    468,988.56x = 92,890,541,228.94
  5. Step 5: Solve for x
    x = 92,890,541,228.94/468,988.56
  6. Step 6: Final answer
    x = 198,065.69

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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.