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Finding the Fourth Proportional to 71,373.54, 98,541.70 and 45,891.34

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Solution

The fourth proportional to 71,373.54, 98,541.70 and 45,891.34 is: 63,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,373.54 : 98,541.70 = 45,891.34 : x
  2. Step 2: Convert to fraction form
    71,373.54/98,541.70 = 45,891.34/x
  3. Step 3: Cross multiply
    71,373.54x = 98,541.70 × 45,891.34
  4. Step 4: Simplify right side
    71,373.54x = 4,522,210,658.88
  5. Step 5: Solve for x
    x = 4,522,210,658.88/71,373.54
  6. Step 6: Final answer
    x = 63,359.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.