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Finding the Fourth Proportional to 468,746.89, 703,161.86 and 131,790.47

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Solution

The fourth proportional to 468,746.89, 703,161.86 and 131,790.47 is: 197,697.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,746.89 : 703,161.86 = 131,790.47 : x
  2. Step 2: Convert to fraction form
    468,746.89/703,161.86 = 131,790.47/x
  3. Step 3: Cross multiply
    468,746.89x = 703,161.86 × 131,790.47
  4. Step 4: Simplify right side
    468,746.89x = 92,670,034,082.13
  5. Step 5: Solve for x
    x = 92,670,034,082.13/468,746.89
  6. Step 6: Final answer
    x = 197,697.38

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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.